Home / 1,098,017.35-1,515,248.24-607,939.91

Finding the Fourth Proportional to 1,098,017.35, 1,515,248.24 and 607,939.91

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Solution

The fourth proportional to 1,098,017.35, 1,515,248.24 and 607,939.91 is: 838,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,017.35 : 1,515,248.24 = 607,939.91 : x
  2. Step 2: Convert to fraction form
    1,098,017.35/1,515,248.24 = 607,939.91/x
  3. Step 3: Cross multiply
    1,098,017.35x = 1,515,248.24 × 607,939.91
  4. Step 4: Simplify right side
    1,098,017.35x = 921,179,873,719.50
  5. Step 5: Solve for x
    x = 921,179,873,719.50/1,098,017.35
  6. Step 6: Final answer
    x = 838,948.38

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Double scale
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1.5x scale

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.