Home / 1,375,177.04-1,897,986.76-866,039.12

Finding the Fourth Proportional to 1,375,177.04, 1,897,986.76 and 866,039.12

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Solution

The fourth proportional to 1,375,177.04, 1,897,986.76 and 866,039.12 is: 1,195,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,177.04 : 1,897,986.76 = 866,039.12 : x
  2. Step 2: Convert to fraction form
    1,375,177.04/1,897,986.76 = 866,039.12/x
  3. Step 3: Cross multiply
    1,375,177.04x = 1,897,986.76 × 866,039.12
  4. Step 4: Simplify right side
    1,375,177.04x = 1,643,730,783,402.05
  5. Step 5: Solve for x
    x = 1,643,730,783,402.05/1,375,177.04
  6. Step 6: Final answer
    x = 1,195,286.67

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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.