Home / 396,681.30-547,283.38-253,525.14

Finding the Fourth Proportional to 396,681.30, 547,283.38 and 253,525.14

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Solution

The fourth proportional to 396,681.30, 547,283.38 and 253,525.14 is: 349,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,681.30 : 547,283.38 = 253,525.14 : x
  2. Step 2: Convert to fraction form
    396,681.30/547,283.38 = 253,525.14/x
  3. Step 3: Cross multiply
    396,681.30x = 547,283.38 × 253,525.14
  4. Step 4: Simplify right side
    396,681.30x = 138,750,095,534.17
  5. Step 5: Solve for x
    x = 138,750,095,534.17/396,681.30
  6. Step 6: Final answer
    x = 349,777.25

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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.