Home / 479,815.66-719,724.35-124,829.11

Finding the Fourth Proportional to 479,815.66, 719,724.35 and 124,829.11

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Solution

The fourth proportional to 479,815.66, 719,724.35 and 124,829.11 is: 187,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,815.66 : 719,724.35 = 124,829.11 : x
  2. Step 2: Convert to fraction form
    479,815.66/719,724.35 = 124,829.11/x
  3. Step 3: Cross multiply
    479,815.66x = 719,724.35 × 124,829.11
  4. Step 4: Simplify right side
    479,815.66x = 89,842,550,055.83
  5. Step 5: Solve for x
    x = 89,842,550,055.83/479,815.66
  6. Step 6: Final answer
    x = 187,243.89

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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.