Home / 746,635.60-1,119,953.40-185,670.10

Finding the Fourth Proportional to 746,635.60, 1,119,953.40 and 185,670.10

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Solution

The fourth proportional to 746,635.60, 1,119,953.40 and 185,670.10 is: 278,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,635.60 : 1,119,953.40 = 185,670.10 : x
  2. Step 2: Convert to fraction form
    746,635.60/1,119,953.40 = 185,670.10/x
  3. Step 3: Cross multiply
    746,635.60x = 1,119,953.40 × 185,670.10
  4. Step 4: Simplify right side
    746,635.60x = 207,941,859,773.34
  5. Step 5: Solve for x
    x = 207,941,859,773.34/746,635.60
  6. Step 6: Final answer
    x = 278,505.15

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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.