Home / 1,044,186.15-1,567,755.45-645,605.40

Finding the Fourth Proportional to 1,044,186.15, 1,567,755.45 and 645,605.40

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Solution

The fourth proportional to 1,044,186.15, 1,567,755.45 and 645,605.40 is: 969,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,186.15 : 1,567,755.45 = 645,605.40 : x
  2. Step 2: Convert to fraction form
    1,044,186.15/1,567,755.45 = 645,605.40/x
  3. Step 3: Cross multiply
    1,044,186.15x = 1,567,755.45 × 645,605.40
  4. Step 4: Simplify right side
    1,044,186.15x = 1,012,151,384,399.43
  5. Step 5: Solve for x
    x = 1,012,151,384,399.43/1,044,186.15
  6. Step 6: Final answer
    x = 969,320.83

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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.