Home / 834,246.40-1,251,661.20-361,271.20

Finding the Fourth Proportional to 834,246.40, 1,251,661.20 and 361,271.20

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Solution

The fourth proportional to 834,246.40, 1,251,661.20 and 361,271.20 is: 542,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,246.40 : 1,251,661.20 = 361,271.20 : x
  2. Step 2: Convert to fraction form
    834,246.40/1,251,661.20 = 361,271.20/x
  3. Step 3: Cross multiply
    834,246.40x = 1,251,661.20 × 361,271.20
  4. Step 4: Simplify right side
    834,246.40x = 452,189,143,717.44
  5. Step 5: Solve for x
    x = 452,189,143,717.44/834,246.40
  6. Step 6: Final answer
    x = 542,033.08

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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.