Home / 623,835.20-935,752.80-558,516.80

Finding the Fourth Proportional to 623,835.20, 935,752.80 and 558,516.80

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Solution

The fourth proportional to 623,835.20, 935,752.80 and 558,516.80 is: 837,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,835.20 : 935,752.80 = 558,516.80 : x
  2. Step 2: Convert to fraction form
    623,835.20/935,752.80 = 558,516.80/x
  3. Step 3: Cross multiply
    623,835.20x = 935,752.80 × 558,516.80
  4. Step 4: Simplify right side
    623,835.20x = 522,633,659,447.04
  5. Step 5: Solve for x
    x = 522,633,659,447.04/623,835.20
  6. Step 6: Final answer
    x = 837,775.20

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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.