Home / 454,948.16-627,830.58-251,001.56

Finding the Fourth Proportional to 454,948.16, 627,830.58 and 251,001.56

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Solution

The fourth proportional to 454,948.16, 627,830.58 and 251,001.56 is: 346,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,948.16 : 627,830.58 = 251,001.56 : x
  2. Step 2: Convert to fraction form
    454,948.16/627,830.58 = 251,001.56/x
  3. Step 3: Cross multiply
    454,948.16x = 627,830.58 × 251,001.56
  4. Step 4: Simplify right side
    454,948.16x = 157,586,454,995.71
  5. Step 5: Solve for x
    x = 157,586,454,995.71/454,948.16
  6. Step 6: Final answer
    x = 346,383.32

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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.