Home / 866,751.36-1,195,868.40-499,160.40

Finding the Fourth Proportional to 866,751.36, 1,195,868.40 and 499,160.40

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Solution

The fourth proportional to 866,751.36, 1,195,868.40 and 499,160.40 is: 688,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,751.36 : 1,195,868.40 = 499,160.40 : x
  2. Step 2: Convert to fraction form
    866,751.36/1,195,868.40 = 499,160.40/x
  3. Step 3: Cross multiply
    866,751.36x = 1,195,868.40 × 499,160.40
  4. Step 4: Simplify right side
    866,751.36x = 596,930,148,891.36
  5. Step 5: Solve for x
    x = 596,930,148,891.36/866,751.36
  6. Step 6: Final answer
    x = 688,698.25

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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.