Home / 1,158,638.88-1,598,987.25-649,374.06

Finding the Fourth Proportional to 1,158,638.88, 1,598,987.25 and 649,374.06

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Solution

The fourth proportional to 1,158,638.88, 1,598,987.25 and 649,374.06 is: 896,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,638.88 : 1,598,987.25 = 649,374.06 : x
  2. Step 2: Convert to fraction form
    1,158,638.88/1,598,987.25 = 649,374.06/x
  3. Step 3: Cross multiply
    1,158,638.88x = 1,598,987.25 × 649,374.06
  4. Step 4: Simplify right side
    1,158,638.88x = 1,038,340,842,420.74
  5. Step 5: Solve for x
    x = 1,038,340,842,420.74/1,158,638.88
  6. Step 6: Final answer
    x = 896,172.97

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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.