Home / 1,200,176.18-1,656,660.21-691,081.46

Finding the Fourth Proportional to 1,200,176.18, 1,656,660.21 and 691,081.46

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Solution

The fourth proportional to 1,200,176.18, 1,656,660.21 and 691,081.46 is: 953,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,176.18 : 1,656,660.21 = 691,081.46 : x
  2. Step 2: Convert to fraction form
    1,200,176.18/1,656,660.21 = 691,081.46/x
  3. Step 3: Cross multiply
    1,200,176.18x = 1,656,660.21 × 691,081.46
  4. Step 4: Simplify right side
    1,200,176.18x = 1,144,887,156,650.71
  5. Step 5: Solve for x
    x = 1,144,887,156,650.71/1,200,176.18
  6. Step 6: Final answer
    x = 953,932.58

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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.