Home / 454,946.91-627,828.87-251,000.31

Finding the Fourth Proportional to 454,946.91, 627,828.87 and 251,000.31

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Solution

The fourth proportional to 454,946.91, 627,828.87 and 251,000.31 is: 346,381.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,946.91 : 627,828.87 = 251,000.31 : x
  2. Step 2: Convert to fraction form
    454,946.91/627,828.87 = 251,000.31/x
  3. Step 3: Cross multiply
    454,946.91x = 627,828.87 × 251,000.31
  4. Step 4: Simplify right side
    454,946.91x = 157,585,240,996.95
  5. Step 5: Solve for x
    x = 157,585,240,996.95/454,946.91
  6. Step 6: Final answer
    x = 346,381.61

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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.