Home / 1,001,426.14-1,381,968.39-542,543.87

Finding the Fourth Proportional to 1,001,426.14, 1,381,968.39 and 542,543.87

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Solution

The fourth proportional to 1,001,426.14, 1,381,968.39 and 542,543.87 is: 748,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,426.14 : 1,381,968.39 = 542,543.87 : x
  2. Step 2: Convert to fraction form
    1,001,426.14/1,381,968.39 = 542,543.87/x
  3. Step 3: Cross multiply
    1,001,426.14x = 1,381,968.39 × 542,543.87
  4. Step 4: Simplify right side
    1,001,426.14x = 749,778,478,528.27
  5. Step 5: Solve for x
    x = 749,778,478,528.27/1,001,426.14
  6. Step 6: Final answer
    x = 748,710.71

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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.