Home / 977,809.70-1,466,714.55-267,836.60

Finding the Fourth Proportional to 977,809.70, 1,466,714.55 and 267,836.60

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Solution

The fourth proportional to 977,809.70, 1,466,714.55 and 267,836.60 is: 401,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,809.70 : 1,466,714.55 = 267,836.60 : x
  2. Step 2: Convert to fraction form
    977,809.70/1,466,714.55 = 267,836.60/x
  3. Step 3: Cross multiply
    977,809.70x = 1,466,714.55 × 267,836.60
  4. Step 4: Simplify right side
    977,809.70x = 392,839,838,242.53
  5. Step 5: Solve for x
    x = 392,839,838,242.53/977,809.70
  6. Step 6: Final answer
    x = 401,754.90

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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.