Home / 617,921.60-926,882.40-352,500.80

Finding the Fourth Proportional to 617,921.60, 926,882.40 and 352,500.80

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Solution

The fourth proportional to 617,921.60, 926,882.40 and 352,500.80 is: 528,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,921.60 : 926,882.40 = 352,500.80 : x
  2. Step 2: Convert to fraction form
    617,921.60/926,882.40 = 352,500.80/x
  3. Step 3: Cross multiply
    617,921.60x = 926,882.40 × 352,500.80
  4. Step 4: Simplify right side
    617,921.60x = 326,726,787,505.92
  5. Step 5: Solve for x
    x = 326,726,787,505.92/617,921.60
  6. Step 6: Final answer
    x = 528,751.20

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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.