Home / 548,569.20-822,853.80-478,585.20

Finding the Fourth Proportional to 548,569.20, 822,853.80 and 478,585.20

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Solution

The fourth proportional to 548,569.20, 822,853.80 and 478,585.20 is: 717,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,569.20 : 822,853.80 = 478,585.20 : x
  2. Step 2: Convert to fraction form
    548,569.20/822,853.80 = 478,585.20/x
  3. Step 3: Cross multiply
    548,569.20x = 822,853.80 × 478,585.20
  4. Step 4: Simplify right side
    548,569.20x = 393,805,650,443.76
  5. Step 5: Solve for x
    x = 393,805,650,443.76/548,569.20
  6. Step 6: Final answer
    x = 717,877.80

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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.