Home / 584,455.20-876,682.80-519,501.30

Finding the Fourth Proportional to 584,455.20, 876,682.80 and 519,501.30

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Solution

The fourth proportional to 584,455.20, 876,682.80 and 519,501.30 is: 779,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,455.20 : 876,682.80 = 519,501.30 : x
  2. Step 2: Convert to fraction form
    584,455.20/876,682.80 = 519,501.30/x
  3. Step 3: Cross multiply
    584,455.20x = 876,682.80 × 519,501.30
  4. Step 4: Simplify right side
    584,455.20x = 455,437,854,287.64
  5. Step 5: Solve for x
    x = 455,437,854,287.64/584,455.20
  6. Step 6: Final answer
    x = 779,251.95

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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.