Home / 724,266.90-1,086,400.35-537,642.90

Finding the Fourth Proportional to 724,266.90, 1,086,400.35 and 537,642.90

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Solution

The fourth proportional to 724,266.90, 1,086,400.35 and 537,642.90 is: 806,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,266.90 : 1,086,400.35 = 537,642.90 : x
  2. Step 2: Convert to fraction form
    724,266.90/1,086,400.35 = 537,642.90/x
  3. Step 3: Cross multiply
    724,266.90x = 1,086,400.35 × 537,642.90
  4. Step 4: Simplify right side
    724,266.90x = 584,095,434,735.02
  5. Step 5: Solve for x
    x = 584,095,434,735.02/724,266.90
  6. Step 6: Final answer
    x = 806,464.35

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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.