Home / 1,398,233.81-2,096,021.90-891,372.26

Finding the Fourth Proportional to 1,398,233.81, 2,096,021.90 and 891,372.26

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Solution

The fourth proportional to 1,398,233.81, 2,096,021.90 and 891,372.26 is: 1,336,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,233.81 : 2,096,021.90 = 891,372.26 : x
  2. Step 2: Convert to fraction form
    1,398,233.81/2,096,021.90 = 891,372.26/x
  3. Step 3: Cross multiply
    1,398,233.81x = 2,096,021.90 × 891,372.26
  4. Step 4: Simplify right side
    1,398,233.81x = 1,868,335,763,075.52
  5. Step 5: Solve for x
    x = 1,868,335,763,075.52/1,398,233.81
  6. Step 6: Final answer
    x = 1,336,211.27

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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.