Home / 479,666.31-719,374.16-142,616.19

Finding the Fourth Proportional to 479,666.31, 719,374.16 and 142,616.19

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Solution

The fourth proportional to 479,666.31, 719,374.16 and 142,616.19 is: 213,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,666.31 : 719,374.16 = 142,616.19 : x
  2. Step 2: Convert to fraction form
    479,666.31/719,374.16 = 142,616.19/x
  3. Step 3: Cross multiply
    479,666.31x = 719,374.16 × 142,616.19
  4. Step 4: Simplify right side
    479,666.31x = 102,594,404,937.84
  5. Step 5: Solve for x
    x = 102,594,404,937.84/479,666.31
  6. Step 6: Final answer
    x = 213,887.04

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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.