Home / 526,516.32-726,609.20-288,052.32

Finding the Fourth Proportional to 526,516.32, 726,609.20 and 288,052.32

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Solution

The fourth proportional to 526,516.32, 726,609.20 and 288,052.32 is: 397,521.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,516.32 : 726,609.20 = 288,052.32 : x
  2. Step 2: Convert to fraction form
    526,516.32/726,609.20 = 288,052.32/x
  3. Step 3: Cross multiply
    526,516.32x = 726,609.20 × 288,052.32
  4. Step 4: Simplify right side
    526,516.32x = 209,301,465,793.34
  5. Step 5: Solve for x
    x = 209,301,465,793.34/526,516.32
  6. Step 6: Final answer
    x = 397,521.33

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.