Home / 676,766.76-933,937.99-404,846.11

Finding the Fourth Proportional to 676,766.76, 933,937.99 and 404,846.11

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Solution

The fourth proportional to 676,766.76, 933,937.99 and 404,846.11 is: 558,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,766.76 : 933,937.99 = 404,846.11 : x
  2. Step 2: Convert to fraction form
    676,766.76/933,937.99 = 404,846.11/x
  3. Step 3: Cross multiply
    676,766.76x = 933,937.99 × 404,846.11
  4. Step 4: Simplify right side
    676,766.76x = 378,101,162,232.72
  5. Step 5: Solve for x
    x = 378,101,162,232.72/676,766.76
  6. Step 6: Final answer
    x = 558,687.55

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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.