Home / 666,731.40-1,000,097.10-622,116.60

Finding the Fourth Proportional to 666,731.40, 1,000,097.10 and 622,116.60

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Solution

The fourth proportional to 666,731.40, 1,000,097.10 and 622,116.60 is: 933,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,731.40 : 1,000,097.10 = 622,116.60 : x
  2. Step 2: Convert to fraction form
    666,731.40/1,000,097.10 = 622,116.60/x
  3. Step 3: Cross multiply
    666,731.40x = 1,000,097.10 × 622,116.60
  4. Step 4: Simplify right side
    666,731.40x = 622,177,007,521.86
  5. Step 5: Solve for x
    x = 622,177,007,521.86/666,731.40
  6. Step 6: Final answer
    x = 933,174.90

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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.