Home / 632,106.56-948,160.76-258,129.60

Finding the Fourth Proportional to 632,106.56, 948,160.76 and 258,129.60

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Solution

The fourth proportional to 632,106.56, 948,160.76 and 258,129.60 is: 387,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,106.56 : 948,160.76 = 258,129.60 : x
  2. Step 2: Convert to fraction form
    632,106.56/948,160.76 = 258,129.60/x
  3. Step 3: Cross multiply
    632,106.56x = 948,160.76 × 258,129.60
  4. Step 4: Simplify right side
    632,106.56x = 244,748,357,714.50
  5. Step 5: Solve for x
    x = 244,748,357,714.50/632,106.56
  6. Step 6: Final answer
    x = 387,194.78

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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.