Home / 1,421,240.04-1,961,404.47-801,198.27

Finding the Fourth Proportional to 1,421,240.04, 1,961,404.47 and 801,198.27

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Solution

The fourth proportional to 1,421,240.04, 1,961,404.47 and 801,198.27 is: 1,105,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,240.04 : 1,961,404.47 = 801,198.27 : x
  2. Step 2: Convert to fraction form
    1,421,240.04/1,961,404.47 = 801,198.27/x
  3. Step 3: Cross multiply
    1,421,240.04x = 1,961,404.47 × 801,198.27
  4. Step 4: Simplify right side
    1,421,240.04x = 1,571,473,868,134.27
  5. Step 5: Solve for x
    x = 1,571,473,868,134.27/1,421,240.04
  6. Step 6: Final answer
    x = 1,105,706.16

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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.