Home / 1,298,323.30-1,791,754.26-782,239.14

Finding the Fourth Proportional to 1,298,323.30, 1,791,754.26 and 782,239.14

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Solution

The fourth proportional to 1,298,323.30, 1,791,754.26 and 782,239.14 is: 1,079,531.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,323.30 : 1,791,754.26 = 782,239.14 : x
  2. Step 2: Convert to fraction form
    1,298,323.30/1,791,754.26 = 782,239.14/x
  3. Step 3: Cross multiply
    1,298,323.30x = 1,791,754.26 × 782,239.14
  4. Step 4: Simplify right side
    1,298,323.30x = 1,401,580,301,766.40
  5. Step 5: Solve for x
    x = 1,401,580,301,766.40/1,298,323.30
  6. Step 6: Final answer
    x = 1,079,531.04

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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.