Home / 584,456.20-876,684.30-519,502.30

Finding the Fourth Proportional to 584,456.20, 876,684.30 and 519,502.30

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Solution

The fourth proportional to 584,456.20, 876,684.30 and 519,502.30 is: 779,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,456.20 : 876,684.30 = 519,502.30 : x
  2. Step 2: Convert to fraction form
    584,456.20/876,684.30 = 519,502.30/x
  3. Step 3: Cross multiply
    584,456.20x = 876,684.30 × 519,502.30
  4. Step 4: Simplify right side
    584,456.20x = 455,439,510,223.89
  5. Step 5: Solve for x
    x = 455,439,510,223.89/584,456.20
  6. Step 6: Final answer
    x = 779,253.45

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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.