Home / 617,330.06-930,622.10-576,180.30

Finding the Fourth Proportional to 617,330.06, 930,622.10 and 576,180.30

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Solution

The fourth proportional to 617,330.06, 930,622.10 and 576,180.30 is: 868,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,330.06 : 930,622.10 = 576,180.30 : x
  2. Step 2: Convert to fraction form
    617,330.06/930,622.10 = 576,180.30/x
  3. Step 3: Cross multiply
    617,330.06x = 930,622.10 × 576,180.30
  4. Step 4: Simplify right side
    617,330.06x = 536,206,120,764.63
  5. Step 5: Solve for x
    x = 536,206,120,764.63/617,330.06
  6. Step 6: Final answer
    x = 868,589.03

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.