Home / 724,317.80-1,086,476.70-527,709.80

Finding the Fourth Proportional to 724,317.80, 1,086,476.70 and 527,709.80

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Solution

The fourth proportional to 724,317.80, 1,086,476.70 and 527,709.80 is: 791,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,317.80 : 1,086,476.70 = 527,709.80 : x
  2. Step 2: Convert to fraction form
    724,317.80/1,086,476.70 = 527,709.80/x
  3. Step 3: Cross multiply
    724,317.80x = 1,086,476.70 × 527,709.80
  4. Step 4: Simplify right side
    724,317.80x = 573,344,402,061.66
  5. Step 5: Solve for x
    x = 573,344,402,061.66/724,317.80
  6. Step 6: Final answer
    x = 791,564.70

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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.