Home / 454,946.28-627,811.20-248,207.28

Finding the Fourth Proportional to 454,946.28, 627,811.20 and 248,207.28

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Solution

The fourth proportional to 454,946.28, 627,811.20 and 248,207.28 is: 342,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,946.28 : 627,811.20 = 248,207.28 : x
  2. Step 2: Convert to fraction form
    454,946.28/627,811.20 = 248,207.28/x
  3. Step 3: Cross multiply
    454,946.28x = 627,811.20 × 248,207.28
  4. Step 4: Simplify right side
    454,946.28x = 155,827,310,305.54
  5. Step 5: Solve for x
    x = 155,827,310,305.54/454,946.28
  6. Step 6: Final answer
    x = 342,518.04

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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.