Home / 987,924.06-1,363,397.91-605,898.78

Finding the Fourth Proportional to 987,924.06, 1,363,397.91 and 605,898.78

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Solution

The fourth proportional to 987,924.06, 1,363,397.91 and 605,898.78 is: 836,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,924.06 : 1,363,397.91 = 605,898.78 : x
  2. Step 2: Convert to fraction form
    987,924.06/1,363,397.91 = 605,898.78/x
  3. Step 3: Cross multiply
    987,924.06x = 1,363,397.91 × 605,898.78
  4. Step 4: Simplify right side
    987,924.06x = 826,081,130,323.55
  5. Step 5: Solve for x
    x = 826,081,130,323.55/987,924.06
  6. Step 6: Final answer
    x = 836,178.78

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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.