Home / 527,174.28-727,506.54-285,462.36

Finding the Fourth Proportional to 527,174.28, 727,506.54 and 285,462.36

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Solution

The fourth proportional to 527,174.28, 727,506.54 and 285,462.36 is: 393,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,174.28 : 727,506.54 = 285,462.36 : x
  2. Step 2: Convert to fraction form
    527,174.28/727,506.54 = 285,462.36/x
  3. Step 3: Cross multiply
    527,174.28x = 727,506.54 × 285,462.36
  4. Step 4: Simplify right side
    527,174.28x = 207,675,733,823.83
  5. Step 5: Solve for x
    x = 207,675,733,823.83/527,174.28
  6. Step 6: Final answer
    x = 393,941.32

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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.