Home / 1,413,658.11-1,951,525.78-870,259.69

Finding the Fourth Proportional to 1,413,658.11, 1,951,525.78 and 870,259.69

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Solution

The fourth proportional to 1,413,658.11, 1,951,525.78 and 870,259.69 is: 1,201,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,658.11 : 1,951,525.78 = 870,259.69 : x
  2. Step 2: Convert to fraction form
    1,413,658.11/1,951,525.78 = 870,259.69/x
  3. Step 3: Cross multiply
    1,413,658.11x = 1,951,525.78 × 870,259.69
  4. Step 4: Simplify right side
    1,413,658.11x = 1,698,334,220,593.57
  5. Step 5: Solve for x
    x = 1,698,334,220,593.57/1,413,658.11
  6. Step 6: Final answer
    x = 1,201,375.50

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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.