Home / 1,266,181.76-1,747,330.02-693,221.78

Finding the Fourth Proportional to 1,266,181.76, 1,747,330.02 and 693,221.78

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Solution

The fourth proportional to 1,266,181.76, 1,747,330.02 and 693,221.78 is: 956,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,181.76 : 1,747,330.02 = 693,221.78 : x
  2. Step 2: Convert to fraction form
    1,266,181.76/1,747,330.02 = 693,221.78/x
  3. Step 3: Cross multiply
    1,266,181.76x = 1,747,330.02 × 693,221.78
  4. Step 4: Simplify right side
    1,266,181.76x = 1,211,287,217,975.19
  5. Step 5: Solve for x
    x = 1,211,287,217,975.19/1,266,181.76
  6. Step 6: Final answer
    x = 956,645.61

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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.