Home / 584,515.44-806,631.48-329,920.56

Finding the Fourth Proportional to 584,515.44, 806,631.48 and 329,920.56

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Solution

The fourth proportional to 584,515.44, 806,631.48 and 329,920.56 is: 455,290.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,515.44 : 806,631.48 = 329,920.56 : x
  2. Step 2: Convert to fraction form
    584,515.44/806,631.48 = 329,920.56/x
  3. Step 3: Cross multiply
    584,515.44x = 806,631.48 × 329,920.56
  4. Step 4: Simplify right side
    584,515.44x = 266,124,309,595.23
  5. Step 5: Solve for x
    x = 266,124,309,595.23/584,515.44
  6. Step 6: Final answer
    x = 455,290.47

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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.