Home / 724,379.40-1,086,569.10-537,755.40

Finding the Fourth Proportional to 724,379.40, 1,086,569.10 and 537,755.40

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Solution

The fourth proportional to 724,379.40, 1,086,569.10 and 537,755.40 is: 806,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,379.40 : 1,086,569.10 = 537,755.40 : x
  2. Step 2: Convert to fraction form
    724,379.40/1,086,569.10 = 537,755.40/x
  3. Step 3: Cross multiply
    724,379.40x = 1,086,569.10 × 537,755.40
  4. Step 4: Simplify right side
    724,379.40x = 584,308,400,998.14
  5. Step 5: Solve for x
    x = 584,308,400,998.14/724,379.40
  6. Step 6: Final answer
    x = 806,633.10

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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.