Home / 622,905.10-934,357.65-617,000.20

Finding the Fourth Proportional to 622,905.10, 934,357.65 and 617,000.20

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Solution

The fourth proportional to 622,905.10, 934,357.65 and 617,000.20 is: 925,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,905.10 : 934,357.65 = 617,000.20 : x
  2. Step 2: Convert to fraction form
    622,905.10/934,357.65 = 617,000.20/x
  3. Step 3: Cross multiply
    622,905.10x = 934,357.65 × 617,000.20
  4. Step 4: Simplify right side
    622,905.10x = 576,498,856,921.53
  5. Step 5: Solve for x
    x = 576,498,856,921.53/622,905.10
  6. Step 6: Final answer
    x = 925,500.30

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.