Home / 724,010.70-1,086,016.05-456,905.10

Finding the Fourth Proportional to 724,010.70, 1,086,016.05 and 456,905.10

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Solution

The fourth proportional to 724,010.70, 1,086,016.05 and 456,905.10 is: 685,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,010.70 : 1,086,016.05 = 456,905.10 : x
  2. Step 2: Convert to fraction form
    724,010.70/1,086,016.05 = 456,905.10/x
  3. Step 3: Cross multiply
    724,010.70x = 1,086,016.05 × 456,905.10
  4. Step 4: Simplify right side
    724,010.70x = 496,206,271,926.86
  5. Step 5: Solve for x
    x = 496,206,271,926.86/724,010.70
  6. Step 6: Final answer
    x = 685,357.65

Related Problems

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Half scale
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Double scale
Find fourth proportional to 724,011.70, 1,086,017.55 and 456,906.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.