Home / 838,275.84-1,257,414.16-277,310.34

Finding the Fourth Proportional to 838,275.84, 1,257,414.16 and 277,310.34

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Solution

The fourth proportional to 838,275.84, 1,257,414.16 and 277,310.34 is: 415,965.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,275.84 : 1,257,414.16 = 277,310.34 : x
  2. Step 2: Convert to fraction form
    838,275.84/1,257,414.16 = 277,310.34/x
  3. Step 3: Cross multiply
    838,275.84x = 1,257,414.16 × 277,310.34
  4. Step 4: Simplify right side
    838,275.84x = 348,693,948,230.41
  5. Step 5: Solve for x
    x = 348,693,948,230.41/838,275.84
  6. Step 6: Final answer
    x = 415,965.64

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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.