Home / 814,397.18-1,123,869.06-474,931.04

Finding the Fourth Proportional to 814,397.18, 1,123,869.06 and 474,931.04

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Solution

The fourth proportional to 814,397.18, 1,123,869.06 and 474,931.04 is: 655,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,397.18 : 1,123,869.06 = 474,931.04 : x
  2. Step 2: Convert to fraction form
    814,397.18/1,123,869.06 = 474,931.04/x
  3. Step 3: Cross multiply
    814,397.18x = 1,123,869.06 × 474,931.04
  4. Step 4: Simplify right side
    814,397.18x = 533,760,301,489.62
  5. Step 5: Solve for x
    x = 533,760,301,489.62/814,397.18
  6. Step 6: Final answer
    x = 655,405.39

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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.