Home / 457,946.22-632,278.56-286,125.78

Finding the Fourth Proportional to 457,946.22, 632,278.56 and 286,125.78

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Solution

The fourth proportional to 457,946.22, 632,278.56 and 286,125.78 is: 395,049.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,946.22 : 632,278.56 = 286,125.78 : x
  2. Step 2: Convert to fraction form
    457,946.22/632,278.56 = 286,125.78/x
  3. Step 3: Cross multiply
    457,946.22x = 632,278.56 × 286,125.78
  4. Step 4: Simplify right side
    457,946.22x = 180,911,196,157.28
  5. Step 5: Solve for x
    x = 180,911,196,157.28/457,946.22
  6. Step 6: Final answer
    x = 395,049.00

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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.