Home / 515,298.39-773,000.61-178,338.45

Finding the Fourth Proportional to 515,298.39, 773,000.61 and 178,338.45

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Solution

The fourth proportional to 515,298.39, 773,000.61 and 178,338.45 is: 267,526.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,298.39 : 773,000.61 = 178,338.45 : x
  2. Step 2: Convert to fraction form
    515,298.39/773,000.61 = 178,338.45/x
  3. Step 3: Cross multiply
    515,298.39x = 773,000.61 × 178,338.45
  4. Step 4: Simplify right side
    515,298.39x = 137,855,730,636.46
  5. Step 5: Solve for x
    x = 137,855,730,636.46/515,298.39
  6. Step 6: Final answer
    x = 267,526.03

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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.