Home / 437,079.20-655,618.80-170,848.40

Finding the Fourth Proportional to 437,079.20, 655,618.80 and 170,848.40

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Solution

The fourth proportional to 437,079.20, 655,618.80 and 170,848.40 is: 256,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,079.20 : 655,618.80 = 170,848.40 : x
  2. Step 2: Convert to fraction form
    437,079.20/655,618.80 = 170,848.40/x
  3. Step 3: Cross multiply
    437,079.20x = 655,618.80 × 170,848.40
  4. Step 4: Simplify right side
    437,079.20x = 112,011,422,989.92
  5. Step 5: Solve for x
    x = 112,011,422,989.92/437,079.20
  6. Step 6: Final answer
    x = 256,272.60

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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.