Home / 584,049.90-806,161.23-342,384.78

Finding the Fourth Proportional to 584,049.90, 806,161.23 and 342,384.78

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Solution

The fourth proportional to 584,049.90, 806,161.23 and 342,384.78 is: 472,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,049.90 : 806,161.23 = 342,384.78 : x
  2. Step 2: Convert to fraction form
    584,049.90/806,161.23 = 342,384.78/x
  3. Step 3: Cross multiply
    584,049.90x = 806,161.23 × 342,384.78
  4. Step 4: Simplify right side
    584,049.90x = 276,017,335,378.08
  5. Step 5: Solve for x
    x = 276,017,335,378.08/584,049.90
  6. Step 6: Final answer
    x = 472,592.04

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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.