Home / 903,926.19-1,247,109.17-516,463.60

Finding the Fourth Proportional to 903,926.19, 1,247,109.17 and 516,463.60

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Solution

The fourth proportional to 903,926.19, 1,247,109.17 and 516,463.60 is: 712,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,926.19 : 1,247,109.17 = 516,463.60 : x
  2. Step 2: Convert to fraction form
    903,926.19/1,247,109.17 = 516,463.60/x
  3. Step 3: Cross multiply
    903,926.19x = 1,247,109.17 × 516,463.60
  4. Step 4: Simplify right side
    903,926.19x = 644,086,487,122.28
  5. Step 5: Solve for x
    x = 644,086,487,122.28/903,926.19
  6. Step 6: Final answer
    x = 712,543.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.