Home / 588,559.76-812,156.36-330,377.60

Finding the Fourth Proportional to 588,559.76, 812,156.36 and 330,377.60

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Solution

The fourth proportional to 588,559.76, 812,156.36 and 330,377.60 is: 455,889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,559.76 : 812,156.36 = 330,377.60 : x
  2. Step 2: Convert to fraction form
    588,559.76/812,156.36 = 330,377.60/x
  3. Step 3: Cross multiply
    588,559.76x = 812,156.36 × 330,377.60
  4. Step 4: Simplify right side
    588,559.76x = 268,318,269,041.54
  5. Step 5: Solve for x
    x = 268,318,269,041.54/588,559.76
  6. Step 6: Final answer
    x = 455,889.59

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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.