Home / 738,052.60-1,107,078.90-239,416.60

Finding the Fourth Proportional to 738,052.60, 1,107,078.90 and 239,416.60

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Solution

The fourth proportional to 738,052.60, 1,107,078.90 and 239,416.60 is: 359,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,052.60 : 1,107,078.90 = 239,416.60 : x
  2. Step 2: Convert to fraction form
    738,052.60/1,107,078.90 = 239,416.60/x
  3. Step 3: Cross multiply
    738,052.60x = 1,107,078.90 × 239,416.60
  4. Step 4: Simplify right side
    738,052.60x = 265,053,066,169.74
  5. Step 5: Solve for x
    x = 265,053,066,169.74/738,052.60
  6. Step 6: Final answer
    x = 359,124.90

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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.