Home / 724,606.80-1,086,910.20-556,450.80

Finding the Fourth Proportional to 724,606.80, 1,086,910.20 and 556,450.80

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Solution

The fourth proportional to 724,606.80, 1,086,910.20 and 556,450.80 is: 834,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,606.80 : 1,086,910.20 = 556,450.80 : x
  2. Step 2: Convert to fraction form
    724,606.80/1,086,910.20 = 556,450.80/x
  3. Step 3: Cross multiply
    724,606.80x = 1,086,910.20 × 556,450.80
  4. Step 4: Simplify right side
    724,606.80x = 604,812,050,318.16
  5. Step 5: Solve for x
    x = 604,812,050,318.16/724,606.80
  6. Step 6: Final answer
    x = 834,676.20

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Double scale
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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.