Home / 413,292.31-619,865.70-113,700.58

Finding the Fourth Proportional to 413,292.31, 619,865.70 and 113,700.58

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Solution

The fourth proportional to 413,292.31, 619,865.70 and 113,700.58 is: 170,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,292.31 : 619,865.70 = 113,700.58 : x
  2. Step 2: Convert to fraction form
    413,292.31/619,865.70 = 113,700.58/x
  3. Step 3: Cross multiply
    413,292.31x = 619,865.70 × 113,700.58
  4. Step 4: Simplify right side
    413,292.31x = 70,479,089,612.11
  5. Step 5: Solve for x
    x = 70,479,089,612.11/413,292.31
  6. Step 6: Final answer
    x = 170,530.85

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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.