Home / 527,477.54-791,340.78-172,490.18

Finding the Fourth Proportional to 527,477.54, 791,340.78 and 172,490.18

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Solution

The fourth proportional to 527,477.54, 791,340.78 and 172,490.18 is: 258,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,477.54 : 791,340.78 = 172,490.18 : x
  2. Step 2: Convert to fraction form
    527,477.54/791,340.78 = 172,490.18/x
  3. Step 3: Cross multiply
    527,477.54x = 791,340.78 × 172,490.18
  4. Step 4: Simplify right side
    527,477.54x = 136,498,513,583.54
  5. Step 5: Solve for x
    x = 136,498,513,583.54/527,477.54
  6. Step 6: Final answer
    x = 258,775.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.