Home / 1,218,711.44-1,681,775.52-674,804

Finding the Fourth Proportional to 1,218,711.44, 1,681,775.52 and 674,804

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Solution

The fourth proportional to 1,218,711.44, 1,681,775.52 and 674,804 is: 931,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,711.44 : 1,681,775.52 = 674,804 : x
  2. Step 2: Convert to fraction form
    1,218,711.44/1,681,775.52 = 674,804/x
  3. Step 3: Cross multiply
    1,218,711.44x = 1,681,775.52 × 674,804
  4. Step 4: Simplify right side
    1,218,711.44x = 1,134,868,847,998.08
  5. Step 5: Solve for x
    x = 1,134,868,847,998.08/1,218,711.44
  6. Step 6: Final answer
    x = 931,203.90

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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.