Home / 918,350.80-1,377,526.20-664,440.10

Finding the Fourth Proportional to 918,350.80, 1,377,526.20 and 664,440.10

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Solution

The fourth proportional to 918,350.80, 1,377,526.20 and 664,440.10 is: 996,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,350.80 : 1,377,526.20 = 664,440.10 : x
  2. Step 2: Convert to fraction form
    918,350.80/1,377,526.20 = 664,440.10/x
  3. Step 3: Cross multiply
    918,350.80x = 1,377,526.20 × 664,440.10
  4. Step 4: Simplify right side
    918,350.80x = 915,283,646,080.62
  5. Step 5: Solve for x
    x = 915,283,646,080.62/918,350.80
  6. Step 6: Final answer
    x = 996,660.15

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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.