Home / 1,249,209.72-1,723,907.43-676,249.74

Finding the Fourth Proportional to 1,249,209.72, 1,723,907.43 and 676,249.74

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Solution

The fourth proportional to 1,249,209.72, 1,723,907.43 and 676,249.74 is: 933,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,209.72 : 1,723,907.43 = 676,249.74 : x
  2. Step 2: Convert to fraction form
    1,249,209.72/1,723,907.43 = 676,249.74/x
  3. Step 3: Cross multiply
    1,249,209.72x = 1,723,907.43 × 676,249.74
  4. Step 4: Simplify right side
    1,249,209.72x = 1,165,791,951,321.57
  5. Step 5: Solve for x
    x = 1,165,791,951,321.57/1,249,209.72
  6. Step 6: Final answer
    x = 933,223.57

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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.