Home / 527,228.03-727,575.08-285,510.87

Finding the Fourth Proportional to 527,228.03, 727,575.08 and 285,510.87

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Solution

The fourth proportional to 527,228.03, 727,575.08 and 285,510.87 is: 394,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,228.03 : 727,575.08 = 285,510.87 : x
  2. Step 2: Convert to fraction form
    527,228.03/727,575.08 = 285,510.87/x
  3. Step 3: Cross multiply
    527,228.03x = 727,575.08 × 285,510.87
  4. Step 4: Simplify right side
    527,228.03x = 207,730,592,653.57
  5. Step 5: Solve for x
    x = 207,730,592,653.57/527,228.03
  6. Step 6: Final answer
    x = 394,005.21

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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.