Home / 515,377.56-773,053.59-199,834.53

Finding the Fourth Proportional to 515,377.56, 773,053.59 and 199,834.53

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Solution

The fourth proportional to 515,377.56, 773,053.59 and 199,834.53 is: 299,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,377.56 : 773,053.59 = 199,834.53 : x
  2. Step 2: Convert to fraction form
    515,377.56/773,053.59 = 199,834.53/x
  3. Step 3: Cross multiply
    515,377.56x = 773,053.59 × 199,834.53
  4. Step 4: Simplify right side
    515,377.56x = 154,482,800,822.46
  5. Step 5: Solve for x
    x = 154,482,800,822.46/515,377.56
  6. Step 6: Final answer
    x = 299,746.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.