Home / 650,904.70-976,933.05-384,331.90

Finding the Fourth Proportional to 650,904.70, 976,933.05 and 384,331.90

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Solution

The fourth proportional to 650,904.70, 976,933.05 and 384,331.90 is: 576,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,904.70 : 976,933.05 = 384,331.90 : x
  2. Step 2: Convert to fraction form
    650,904.70/976,933.05 = 384,331.90/x
  3. Step 3: Cross multiply
    650,904.70x = 976,933.05 × 384,331.90
  4. Step 4: Simplify right side
    650,904.70x = 375,466,535,279.30
  5. Step 5: Solve for x
    x = 375,466,535,279.30/650,904.70
  6. Step 6: Final answer
    x = 576,837.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.