Home / 584,432.80-806,514.32-329,783.20

Finding the Fourth Proportional to 584,432.80, 806,514.32 and 329,783.20

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Solution

The fourth proportional to 584,432.80, 806,514.32 and 329,783.20 is: 455,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,432.80 : 806,514.32 = 329,783.20 : x
  2. Step 2: Convert to fraction form
    584,432.80/806,514.32 = 329,783.20/x
  3. Step 3: Cross multiply
    584,432.80x = 806,514.32 × 329,783.20
  4. Step 4: Simplify right side
    584,432.80x = 265,974,873,295.42
  5. Step 5: Solve for x
    x = 265,974,873,295.42/584,432.80
  6. Step 6: Final answer
    x = 455,099.15

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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.