Home / 836,700.68-1,154,655.88-454,727.48

Finding the Fourth Proportional to 836,700.68, 1,154,655.88 and 454,727.48

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Solution

The fourth proportional to 836,700.68, 1,154,655.88 and 454,727.48 is: 627,528.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,700.68 : 1,154,655.88 = 454,727.48 : x
  2. Step 2: Convert to fraction form
    836,700.68/1,154,655.88 = 454,727.48/x
  3. Step 3: Cross multiply
    836,700.68x = 1,154,655.88 × 454,727.48
  4. Step 4: Simplify right side
    836,700.68x = 525,053,751,669.48
  5. Step 5: Solve for x
    x = 525,053,751,669.48/836,700.68
  6. Step 6: Final answer
    x = 627,528.78

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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.