Home / 658,467.38-987,701.40-185,152.73

Finding the Fourth Proportional to 658,467.38, 987,701.40 and 185,152.73

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Solution

The fourth proportional to 658,467.38, 987,701.40 and 185,152.73 is: 277,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,467.38 : 987,701.40 = 185,152.73 : x
  2. Step 2: Convert to fraction form
    658,467.38/987,701.40 = 185,152.73/x
  3. Step 3: Cross multiply
    658,467.38x = 987,701.40 × 185,152.73
  4. Step 4: Simplify right side
    658,467.38x = 182,875,605,696.32
  5. Step 5: Solve for x
    x = 182,875,605,696.32/658,467.38
  6. Step 6: Final answer
    x = 277,729.18

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Double scale
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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.