Home / 1,532,621.22-2,115,017.34-853,557.72

Finding the Fourth Proportional to 1,532,621.22, 2,115,017.34 and 853,557.72

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Solution

The fourth proportional to 1,532,621.22, 2,115,017.34 and 853,557.72 is: 1,177,909.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,621.22 : 2,115,017.34 = 853,557.72 : x
  2. Step 2: Convert to fraction form
    1,532,621.22/2,115,017.34 = 853,557.72/x
  3. Step 3: Cross multiply
    1,532,621.22x = 2,115,017.34 × 853,557.72
  4. Step 4: Simplify right side
    1,532,621.22x = 1,805,289,378,490.86
  5. Step 5: Solve for x
    x = 1,805,289,378,490.86/1,532,621.22
  6. Step 6: Final answer
    x = 1,177,909.69

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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.