Home / 578,902.53-799,275.35-361,442.28

Finding the Fourth Proportional to 578,902.53, 799,275.35 and 361,442.28

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Solution

The fourth proportional to 578,902.53, 799,275.35 and 361,442.28 is: 499,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,902.53 : 799,275.35 = 361,442.28 : x
  2. Step 2: Convert to fraction form
    578,902.53/799,275.35 = 361,442.28/x
  3. Step 3: Cross multiply
    578,902.53x = 799,275.35 × 361,442.28
  4. Step 4: Simplify right side
    578,902.53x = 288,891,903,044.59
  5. Step 5: Solve for x
    x = 288,891,903,044.59/578,902.53
  6. Step 6: Final answer
    x = 499,033.75

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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.