Home / 527,179.28-727,513.44-285,467.36

Finding the Fourth Proportional to 527,179.28, 727,513.44 and 285,467.36

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Solution

The fourth proportional to 527,179.28, 727,513.44 and 285,467.36 is: 393,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,179.28 : 727,513.44 = 285,467.36 : x
  2. Step 2: Convert to fraction form
    527,179.28/727,513.44 = 285,467.36/x
  3. Step 3: Cross multiply
    527,179.28x = 727,513.44 × 285,467.36
  4. Step 4: Simplify right side
    527,179.28x = 207,681,341,081.32
  5. Step 5: Solve for x
    x = 207,681,341,081.32/527,179.28
  6. Step 6: Final answer
    x = 393,948.22

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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.