Home / 1,421,305.38-2,132,986.50-556,869.33

Finding the Fourth Proportional to 1,421,305.38, 2,132,986.50 and 556,869.33

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Solution

The fourth proportional to 1,421,305.38, 2,132,986.50 and 556,869.33 is: 835,706.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,305.38 : 2,132,986.50 = 556,869.33 : x
  2. Step 2: Convert to fraction form
    1,421,305.38/2,132,986.50 = 556,869.33/x
  3. Step 3: Cross multiply
    1,421,305.38x = 2,132,986.50 × 556,869.33
  4. Step 4: Simplify right side
    1,421,305.38x = 1,187,794,763,154.05
  5. Step 5: Solve for x
    x = 1,187,794,763,154.05/1,421,305.38
  6. Step 6: Final answer
    x = 835,706.94

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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.