Home / 1,397,049.15-1,928,267.37-853,642.53

Finding the Fourth Proportional to 1,397,049.15, 1,928,267.37 and 853,642.53

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Solution

The fourth proportional to 1,397,049.15, 1,928,267.37 and 853,642.53 is: 1,178,234.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,049.15 : 1,928,267.37 = 853,642.53 : x
  2. Step 2: Convert to fraction form
    1,397,049.15/1,928,267.37 = 853,642.53/x
  3. Step 3: Cross multiply
    1,397,049.15x = 1,928,267.37 × 853,642.53
  4. Step 4: Simplify right side
    1,397,049.15x = 1,646,051,036,243.25
  5. Step 5: Solve for x
    x = 1,646,051,036,243.25/1,397,049.15
  6. Step 6: Final answer
    x = 1,178,234.16

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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.