Home / 1,311,669.11-1,967,503.67-512,390.13

Finding the Fourth Proportional to 1,311,669.11, 1,967,503.67 and 512,390.13

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Solution

The fourth proportional to 1,311,669.11, 1,967,503.67 and 512,390.13 is: 768,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,669.11 : 1,967,503.67 = 512,390.13 : x
  2. Step 2: Convert to fraction form
    1,311,669.11/1,967,503.67 = 512,390.13/x
  3. Step 3: Cross multiply
    1,311,669.11x = 1,967,503.67 × 512,390.13
  4. Step 4: Simplify right side
    1,311,669.11x = 1,008,129,458,684.83
  5. Step 5: Solve for x
    x = 1,008,129,458,684.83/1,311,669.11
  6. Step 6: Final answer
    x = 768,585.20

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Similar ratio
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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.