Home / 482,376.12-723,598.06-145,419.62

Finding the Fourth Proportional to 482,376.12, 723,598.06 and 145,419.62

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Solution

The fourth proportional to 482,376.12, 723,598.06 and 145,419.62 is: 218,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,376.12 : 723,598.06 = 145,419.62 : x
  2. Step 2: Convert to fraction form
    482,376.12/723,598.06 = 145,419.62/x
  3. Step 3: Cross multiply
    482,376.12x = 723,598.06 × 145,419.62
  4. Step 4: Simplify right side
    482,376.12x = 105,225,354,917.94
  5. Step 5: Solve for x
    x = 105,225,354,917.94/482,376.12
  6. Step 6: Final answer
    x = 218,139.64

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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.