Home / 527,100.72-727,398.02-285,383.25

Finding the Fourth Proportional to 527,100.72, 727,398.02 and 285,383.25

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Solution

The fourth proportional to 527,100.72, 727,398.02 and 285,383.25 is: 393,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,100.72 : 727,398.02 = 285,383.25 : x
  2. Step 2: Convert to fraction form
    527,100.72/727,398.02 = 285,383.25/x
  3. Step 3: Cross multiply
    527,100.72x = 727,398.02 × 285,383.25
  4. Step 4: Simplify right side
    527,100.72x = 207,587,211,704.62
  5. Step 5: Solve for x
    x = 207,587,211,704.62/527,100.72
  6. Step 6: Final answer
    x = 393,828.36

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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.