Home / 676,869.60-934,014.96-404,882.40

Finding the Fourth Proportional to 676,869.60, 934,014.96 and 404,882.40

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Solution

The fourth proportional to 676,869.60, 934,014.96 and 404,882.40 is: 558,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,869.60 : 934,014.96 = 404,882.40 : x
  2. Step 2: Convert to fraction form
    676,869.60/934,014.96 = 404,882.40/x
  3. Step 3: Cross multiply
    676,869.60x = 934,014.96 × 404,882.40
  4. Step 4: Simplify right side
    676,869.60x = 378,166,218,640.70
  5. Step 5: Solve for x
    x = 378,166,218,640.70/676,869.60
  6. Step 6: Final answer
    x = 558,698.78

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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.