Home / 1,044,186.65-1,567,756.20-645,605.90

Finding the Fourth Proportional to 1,044,186.65, 1,567,756.20 and 645,605.90

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Solution

The fourth proportional to 1,044,186.65, 1,567,756.20 and 645,605.90 is: 969,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,186.65 : 1,567,756.20 = 645,605.90 : x
  2. Step 2: Convert to fraction form
    1,044,186.65/1,567,756.20 = 645,605.90/x
  3. Step 3: Cross multiply
    1,044,186.65x = 1,567,756.20 × 645,605.90
  4. Step 4: Simplify right side
    1,044,186.65x = 1,012,152,652,481.58
  5. Step 5: Solve for x
    x = 1,012,152,652,481.58/1,044,186.65
  6. Step 6: Final answer
    x = 969,321.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.