Home / 1,147,127.44-1,583,234.02-663,959

Finding the Fourth Proportional to 1,147,127.44, 1,583,234.02 and 663,959

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Solution

The fourth proportional to 1,147,127.44, 1,583,234.02 and 663,959 is: 916,378.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,127.44 : 1,583,234.02 = 663,959 : x
  2. Step 2: Convert to fraction form
    1,147,127.44/1,583,234.02 = 663,959/x
  3. Step 3: Cross multiply
    1,147,127.44x = 1,583,234.02 × 663,959
  4. Step 4: Simplify right side
    1,147,127.44x = 1,051,202,476,685.18
  5. Step 5: Solve for x
    x = 1,051,202,476,685.18/1,147,127.44
  6. Step 6: Final answer
    x = 916,378.11

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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.