Home / 663,799.58-916,188.48-422,034.93

Finding the Fourth Proportional to 663,799.58, 916,188.48 and 422,034.93

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Solution

The fourth proportional to 663,799.58, 916,188.48 and 422,034.93 is: 582,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,799.58 : 916,188.48 = 422,034.93 : x
  2. Step 2: Convert to fraction form
    663,799.58/916,188.48 = 422,034.93/x
  3. Step 3: Cross multiply
    663,799.58x = 916,188.48 × 422,034.93
  4. Step 4: Simplify right side
    663,799.58x = 386,663,541,023.61
  5. Step 5: Solve for x
    x = 386,663,541,023.61/663,799.58
  6. Step 6: Final answer
    x = 582,500.43

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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.