Home / 749,013.04-1,123,686.05-349,435.84

Finding the Fourth Proportional to 749,013.04, 1,123,686.05 and 349,435.84

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Solution

The fourth proportional to 749,013.04, 1,123,686.05 and 349,435.84 is: 524,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,013.04 : 1,123,686.05 = 349,435.84 : x
  2. Step 2: Convert to fraction form
    749,013.04/1,123,686.05 = 349,435.84/x
  3. Step 3: Cross multiply
    749,013.04x = 1,123,686.05 × 349,435.84
  4. Step 4: Simplify right side
    749,013.04x = 392,656,178,778.03
  5. Step 5: Solve for x
    x = 392,656,178,778.03/749,013.04
  6. Step 6: Final answer
    x = 524,231.43

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Double scale
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Similar ratio
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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.