Home / 579,083.60-868,582.20-242,037.20

Finding the Fourth Proportional to 579,083.60, 868,582.20 and 242,037.20

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Solution

The fourth proportional to 579,083.60, 868,582.20 and 242,037.20 is: 363,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,083.60 : 868,582.20 = 242,037.20 : x
  2. Step 2: Convert to fraction form
    579,083.60/868,582.20 = 242,037.20/x
  3. Step 3: Cross multiply
    579,083.60x = 868,582.20 × 242,037.20
  4. Step 4: Simplify right side
    579,083.60x = 210,229,203,657.84
  5. Step 5: Solve for x
    x = 210,229,203,657.84/579,083.60
  6. Step 6: Final answer
    x = 363,037.74

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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.