Home / 1,172,176.98-1,617,672.03-655,926.36

Finding the Fourth Proportional to 1,172,176.98, 1,617,672.03 and 655,926.36

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Solution

The fourth proportional to 1,172,176.98, 1,617,672.03 and 655,926.36 is: 905,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,176.98 : 1,617,672.03 = 655,926.36 : x
  2. Step 2: Convert to fraction form
    1,172,176.98/1,617,672.03 = 655,926.36/x
  3. Step 3: Cross multiply
    1,172,176.98x = 1,617,672.03 × 655,926.36
  4. Step 4: Simplify right side
    1,172,176.98x = 1,061,073,726,311.71
  5. Step 5: Solve for x
    x = 1,061,073,726,311.71/1,172,176.98
  6. Step 6: Final answer
    x = 905,216.31

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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.