Home / 1,261,207.44-1,740,522.96-710,112.90

Finding the Fourth Proportional to 1,261,207.44, 1,740,522.96 and 710,112.90

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Solution

The fourth proportional to 1,261,207.44, 1,740,522.96 and 710,112.90 is: 979,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,207.44 : 1,740,522.96 = 710,112.90 : x
  2. Step 2: Convert to fraction form
    1,261,207.44/1,740,522.96 = 710,112.90/x
  3. Step 3: Cross multiply
    1,261,207.44x = 1,740,522.96 × 710,112.90
  4. Step 4: Simplify right side
    1,261,207.44x = 1,235,967,806,642.18
  5. Step 5: Solve for x
    x = 1,235,967,806,642.18/1,261,207.44
  6. Step 6: Final answer
    x = 979,987.72

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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.