Home / 457,977.80-686,966.70-248,025.80

Finding the Fourth Proportional to 457,977.80, 686,966.70 and 248,025.80

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Solution

The fourth proportional to 457,977.80, 686,966.70 and 248,025.80 is: 372,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,977.80 : 686,966.70 = 248,025.80 : x
  2. Step 2: Convert to fraction form
    457,977.80/686,966.70 = 248,025.80/x
  3. Step 3: Cross multiply
    457,977.80x = 686,966.70 × 248,025.80
  4. Step 4: Simplify right side
    457,977.80x = 170,385,465,340.86
  5. Step 5: Solve for x
    x = 170,385,465,340.86/457,977.80
  6. Step 6: Final answer
    x = 372,038.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.