Home / 578,725.60-868,088.40-538,175.20

Finding the Fourth Proportional to 578,725.60, 868,088.40 and 538,175.20

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Solution

The fourth proportional to 578,725.60, 868,088.40 and 538,175.20 is: 807,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,725.60 : 868,088.40 = 538,175.20 : x
  2. Step 2: Convert to fraction form
    578,725.60/868,088.40 = 538,175.20/x
  3. Step 3: Cross multiply
    578,725.60x = 868,088.40 × 538,175.20
  4. Step 4: Simplify right side
    578,725.60x = 467,183,648,287.68
  5. Step 5: Solve for x
    x = 467,183,648,287.68/578,725.60
  6. Step 6: Final answer
    x = 807,262.80

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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.