Home / 398,966.48-550,498.56-237,836.52

Finding the Fourth Proportional to 398,966.48, 550,498.56 and 237,836.52

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Solution

The fourth proportional to 398,966.48, 550,498.56 and 237,836.52 is: 328,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,966.48 : 550,498.56 = 237,836.52 : x
  2. Step 2: Convert to fraction form
    398,966.48/550,498.56 = 237,836.52/x
  3. Step 3: Cross multiply
    398,966.48x = 550,498.56 × 237,836.52
  4. Step 4: Simplify right side
    398,966.48x = 130,928,661,775.41
  5. Step 5: Solve for x
    x = 130,928,661,775.41/398,966.48
  6. Step 6: Final answer
    x = 328,169.58

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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.