Home / 676,872.45-933,836.85-404,948.16

Finding the Fourth Proportional to 676,872.45, 933,836.85 and 404,948.16

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Solution

The fourth proportional to 676,872.45, 933,836.85 and 404,948.16 is: 558,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,872.45 : 933,836.85 = 404,948.16 : x
  2. Step 2: Convert to fraction form
    676,872.45/933,836.85 = 404,948.16/x
  3. Step 3: Cross multiply
    676,872.45x = 933,836.85 × 404,948.16
  4. Step 4: Simplify right side
    676,872.45x = 378,155,514,147.70
  5. Step 5: Solve for x
    x = 378,155,514,147.70/676,872.45
  6. Step 6: Final answer
    x = 558,680.61

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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.