Home / 413,055.12-619,575.18-113,534.53

Finding the Fourth Proportional to 413,055.12, 619,575.18 and 113,534.53

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Solution

The fourth proportional to 413,055.12, 619,575.18 and 113,534.53 is: 170,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,055.12 : 619,575.18 = 113,534.53 : x
  2. Step 2: Convert to fraction form
    413,055.12/619,575.18 = 113,534.53/x
  3. Step 3: Cross multiply
    413,055.12x = 619,575.18 × 113,534.53
  4. Step 4: Simplify right side
    413,055.12x = 70,343,176,860.97
  5. Step 5: Solve for x
    x = 70,343,176,860.97/413,055.12
  6. Step 6: Final answer
    x = 170,299.73

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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.