Home / 682,444.20-941,776.28-376,520.57

Finding the Fourth Proportional to 682,444.20, 941,776.28 and 376,520.57

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Solution

The fourth proportional to 682,444.20, 941,776.28 and 376,520.57 is: 519,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,444.20 : 941,776.28 = 376,520.57 : x
  2. Step 2: Convert to fraction form
    682,444.20/941,776.28 = 376,520.57/x
  3. Step 3: Cross multiply
    682,444.20x = 941,776.28 × 376,520.57
  4. Step 4: Simplify right side
    682,444.20x = 354,598,141,758.08
  5. Step 5: Solve for x
    x = 354,598,141,758.08/682,444.20
  6. Step 6: Final answer
    x = 519,600.20

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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.