Home / 928,232.10-1,280,937.21-514,766.48

Finding the Fourth Proportional to 928,232.10, 1,280,937.21 and 514,766.48

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Solution

The fourth proportional to 928,232.10, 1,280,937.21 and 514,766.48 is: 710,364.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,232.10 : 1,280,937.21 = 514,766.48 : x
  2. Step 2: Convert to fraction form
    928,232.10/1,280,937.21 = 514,766.48/x
  3. Step 3: Cross multiply
    928,232.10x = 1,280,937.21 × 514,766.48
  4. Step 4: Simplify right side
    928,232.10x = 659,383,532,288.04
  5. Step 5: Solve for x
    x = 659,383,532,288.04/928,232.10
  6. Step 6: Final answer
    x = 710,364.93

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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.