Home / 836,311.39-1,154,114.27-454,338.97

Finding the Fourth Proportional to 836,311.39, 1,154,114.27 and 454,338.97

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Solution

The fourth proportional to 836,311.39, 1,154,114.27 and 454,338.97 is: 626,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,311.39 : 1,154,114.27 = 454,338.97 : x
  2. Step 2: Convert to fraction form
    836,311.39/1,154,114.27 = 454,338.97/x
  3. Step 3: Cross multiply
    836,311.39x = 1,154,114.27 × 454,338.97
  4. Step 4: Simplify right side
    836,311.39x = 524,359,086,422.41
  5. Step 5: Solve for x
    x = 524,359,086,422.41/836,311.39
  6. Step 6: Final answer
    x = 626,990.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.