Home / 527,010.72-727,273.95-285,293.23

Finding the Fourth Proportional to 527,010.72, 727,273.95 and 285,293.23

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Solution

The fourth proportional to 527,010.72, 727,273.95 and 285,293.23 is: 393,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,010.72 : 727,273.95 = 285,293.23 : x
  2. Step 2: Convert to fraction form
    527,010.72/727,273.95 = 285,293.23/x
  3. Step 3: Cross multiply
    527,010.72x = 727,273.95 × 285,293.23
  4. Step 4: Simplify right side
    527,010.72x = 207,486,334,290.36
  5. Step 5: Solve for x
    x = 207,486,334,290.36/527,010.72
  6. Step 6: Final answer
    x = 393,704.20

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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.