Home / 588,867.84-812,657.28-320,605.44

Finding the Fourth Proportional to 588,867.84, 812,657.28 and 320,605.44

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Solution

The fourth proportional to 588,867.84, 812,657.28 and 320,605.44 is: 442,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,867.84 : 812,657.28 = 320,605.44 : x
  2. Step 2: Convert to fraction form
    588,867.84/812,657.28 = 320,605.44/x
  3. Step 3: Cross multiply
    588,867.84x = 812,657.28 × 320,605.44
  4. Step 4: Simplify right side
    588,867.84x = 260,542,344,823.60
  5. Step 5: Solve for x
    x = 260,542,344,823.60/588,867.84
  6. Step 6: Final answer
    x = 442,446.21

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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.