Home / 527,009.72-727,272.57-285,292.23

Finding the Fourth Proportional to 527,009.72, 727,272.57 and 285,292.23

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Solution

The fourth proportional to 527,009.72, 727,272.57 and 285,292.23 is: 393,702.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,009.72 : 727,272.57 = 285,292.23 : x
  2. Step 2: Convert to fraction form
    527,009.72/727,272.57 = 285,292.23/x
  3. Step 3: Cross multiply
    527,009.72x = 727,272.57 × 285,292.23
  4. Step 4: Simplify right side
    527,009.72x = 207,485,211,655.71
  5. Step 5: Solve for x
    x = 207,485,211,655.71/527,009.72
  6. Step 6: Final answer
    x = 393,702.82

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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.