Home / 838,276.34-1,257,414.93-277,310.84

Finding the Fourth Proportional to 838,276.34, 1,257,414.93 and 277,310.84

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Solution

The fourth proportional to 838,276.34, 1,257,414.93 and 277,310.84 is: 415,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,276.34 : 1,257,414.93 = 277,310.84 : x
  2. Step 2: Convert to fraction form
    838,276.34/1,257,414.93 = 277,310.84/x
  3. Step 3: Cross multiply
    838,276.34x = 1,257,414.93 × 277,310.84
  4. Step 4: Simplify right side
    838,276.34x = 348,694,790,466.84
  5. Step 5: Solve for x
    x = 348,694,790,466.84/838,276.34
  6. Step 6: Final answer
    x = 415,966.40

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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.