Home / 1,159,342.20-1,739,013.30-317,892.60

Finding the Fourth Proportional to 1,159,342.20, 1,739,013.30 and 317,892.60

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Solution

The fourth proportional to 1,159,342.20, 1,739,013.30 and 317,892.60 is: 476,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,342.20 : 1,739,013.30 = 317,892.60 : x
  2. Step 2: Convert to fraction form
    1,159,342.20/1,739,013.30 = 317,892.60/x
  3. Step 3: Cross multiply
    1,159,342.20x = 1,739,013.30 × 317,892.60
  4. Step 4: Simplify right side
    1,159,342.20x = 552,819,459,371.58
  5. Step 5: Solve for x
    x = 552,819,459,371.58/1,159,342.20
  6. Step 6: Final answer
    x = 476,838.90

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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.