Home / 836,478.27-1,154,347.05-454,505.06

Finding the Fourth Proportional to 836,478.27, 1,154,347.05 and 454,505.06

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Solution

The fourth proportional to 836,478.27, 1,154,347.05 and 454,505.06 is: 627,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,478.27 : 1,154,347.05 = 454,505.06 : x
  2. Step 2: Convert to fraction form
    836,478.27/1,154,347.05 = 454,505.06/x
  3. Step 3: Cross multiply
    836,478.27x = 1,154,347.05 × 454,505.06
  4. Step 4: Simplify right side
    836,478.27x = 524,656,569,449.34
  5. Step 5: Solve for x
    x = 524,656,569,449.34/836,478.27
  6. Step 6: Final answer
    x = 627,220.80

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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.