Home / 578,515.10-867,772.65-566,705.30

Finding the Fourth Proportional to 578,515.10, 867,772.65 and 566,705.30

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Solution

The fourth proportional to 578,515.10, 867,772.65 and 566,705.30 is: 850,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,515.10 : 867,772.65 = 566,705.30 : x
  2. Step 2: Convert to fraction form
    578,515.10/867,772.65 = 566,705.30/x
  3. Step 3: Cross multiply
    578,515.10x = 867,772.65 × 566,705.30
  4. Step 4: Simplify right side
    578,515.10x = 491,771,359,950.05
  5. Step 5: Solve for x
    x = 491,771,359,950.05/578,515.10
  6. Step 6: Final answer
    x = 850,057.95

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Double scale
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Similar ratio
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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.