Home / 1,192,920.32-1,646,275.38-683,720.96

Finding the Fourth Proportional to 1,192,920.32, 1,646,275.38 and 683,720.96

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Solution

The fourth proportional to 1,192,920.32, 1,646,275.38 and 683,720.96 is: 943,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,920.32 : 1,646,275.38 = 683,720.96 : x
  2. Step 2: Convert to fraction form
    1,192,920.32/1,646,275.38 = 683,720.96/x
  3. Step 3: Cross multiply
    1,192,920.32x = 1,646,275.38 × 683,720.96
  4. Step 4: Simplify right side
    1,192,920.32x = 1,125,592,983,237.96
  5. Step 5: Solve for x
    x = 1,125,592,983,237.96/1,192,920.32
  6. Step 6: Final answer
    x = 943,560.91

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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.