Home / 725,212.52-1,087,445.28-325,510.64

Finding the Fourth Proportional to 725,212.52, 1,087,445.28 and 325,510.64

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Solution

The fourth proportional to 725,212.52, 1,087,445.28 and 325,510.64 is: 488,098.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,212.52 : 1,087,445.28 = 325,510.64 : x
  2. Step 2: Convert to fraction form
    725,212.52/1,087,445.28 = 325,510.64/x
  3. Step 3: Cross multiply
    725,212.52x = 1,087,445.28 × 325,510.64
  4. Step 4: Simplify right side
    725,212.52x = 353,975,009,057.78
  5. Step 5: Solve for x
    x = 353,975,009,057.78/725,212.52
  6. Step 6: Final answer
    x = 488,098.32

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Double scale
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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.