Home / 1,266,518.85-1,747,743.53-693,549.15

Finding the Fourth Proportional to 1,266,518.85, 1,747,743.53 and 693,549.15

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Solution

The fourth proportional to 1,266,518.85, 1,747,743.53 and 693,549.15 is: 957,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,518.85 : 1,747,743.53 = 693,549.15 : x
  2. Step 2: Convert to fraction form
    1,266,518.85/1,747,743.53 = 693,549.15/x
  3. Step 3: Cross multiply
    1,266,518.85x = 1,747,743.53 × 693,549.15
  4. Step 4: Simplify right side
    1,266,518.85x = 1,212,146,036,181.75
  5. Step 5: Solve for x
    x = 1,212,146,036,181.75/1,266,518.85
  6. Step 6: Final answer
    x = 957,069.08

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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.