Home / 702,421.20-1,053,634.53-169,941.36

Finding the Fourth Proportional to 702,421.20, 1,053,634.53 and 169,941.36

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Solution

The fourth proportional to 702,421.20, 1,053,634.53 and 169,941.36 is: 254,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,421.20 : 1,053,634.53 = 169,941.36 : x
  2. Step 2: Convert to fraction form
    702,421.20/1,053,634.53 = 169,941.36/x
  3. Step 3: Cross multiply
    702,421.20x = 1,053,634.53 × 169,941.36
  4. Step 4: Simplify right side
    702,421.20x = 179,056,084,971.16
  5. Step 5: Solve for x
    x = 179,056,084,971.16/702,421.20
  6. Step 6: Final answer
    x = 254,912.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.