Home / 1,157,148.18-1,734,191.37-838,371.06

Finding the Fourth Proportional to 1,157,148.18, 1,734,191.37 and 838,371.06

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Solution

The fourth proportional to 1,157,148.18, 1,734,191.37 and 838,371.06 is: 1,256,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,148.18 : 1,734,191.37 = 838,371.06 : x
  2. Step 2: Convert to fraction form
    1,157,148.18/1,734,191.37 = 838,371.06/x
  3. Step 3: Cross multiply
    1,157,148.18x = 1,734,191.37 × 838,371.06
  4. Step 4: Simplify right side
    1,157,148.18x = 1,453,895,857,109.75
  5. Step 5: Solve for x
    x = 1,453,895,857,109.75/1,157,148.18
  6. Step 6: Final answer
    x = 1,256,447.43

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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.