Home / 1,119,243.72-1,679,193.18-361,070.76

Finding the Fourth Proportional to 1,119,243.72, 1,679,193.18 and 361,070.76

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Solution

The fourth proportional to 1,119,243.72, 1,679,193.18 and 361,070.76 is: 541,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,243.72 : 1,679,193.18 = 361,070.76 : x
  2. Step 2: Convert to fraction form
    1,119,243.72/1,679,193.18 = 361,070.76/x
  3. Step 3: Cross multiply
    1,119,243.72x = 1,679,193.18 × 361,070.76
  4. Step 4: Simplify right side
    1,119,243.72x = 606,307,557,689.42
  5. Step 5: Solve for x
    x = 606,307,557,689.42/1,119,243.72
  6. Step 6: Final answer
    x = 541,711.82

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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.