Home / 838,882.80-1,258,324.20-277,917.30

Finding the Fourth Proportional to 838,882.80, 1,258,324.20 and 277,917.30

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Solution

The fourth proportional to 838,882.80, 1,258,324.20 and 277,917.30 is: 416,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,882.80 : 1,258,324.20 = 277,917.30 : x
  2. Step 2: Convert to fraction form
    838,882.80/1,258,324.20 = 277,917.30/x
  3. Step 3: Cross multiply
    838,882.80x = 1,258,324.20 × 277,917.30
  4. Step 4: Simplify right side
    838,882.80x = 349,710,064,188.66
  5. Step 5: Solve for x
    x = 349,710,064,188.66/838,882.80
  6. Step 6: Final answer
    x = 416,875.95

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Double scale
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Similar ratio
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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.