Home / 1,326,711.84-1,830,911.76-753,849.12

Finding the Fourth Proportional to 1,326,711.84, 1,830,911.76 and 753,849.12

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Solution

The fourth proportional to 1,326,711.84, 1,830,911.76 and 753,849.12 is: 1,040,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,711.84 : 1,830,911.76 = 753,849.12 : x
  2. Step 2: Convert to fraction form
    1,326,711.84/1,830,911.76 = 753,849.12/x
  3. Step 3: Cross multiply
    1,326,711.84x = 1,830,911.76 × 753,849.12
  4. Step 4: Simplify right side
    1,326,711.84x = 1,380,231,219,073.65
  5. Step 5: Solve for x
    x = 1,380,231,219,073.65/1,326,711.84
  6. Step 6: Final answer
    x = 1,040,339.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.