Home / 1,219,296.78-1,682,611.38-675,430.92

Finding the Fourth Proportional to 1,219,296.78, 1,682,611.38 and 675,430.92

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Solution

The fourth proportional to 1,219,296.78, 1,682,611.38 and 675,430.92 is: 932,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,296.78 : 1,682,611.38 = 675,430.92 : x
  2. Step 2: Convert to fraction form
    1,219,296.78/1,682,611.38 = 675,430.92/x
  3. Step 3: Cross multiply
    1,219,296.78x = 1,682,611.38 × 675,430.92
  4. Step 4: Simplify right side
    1,219,296.78x = 1,136,487,752,395.87
  5. Step 5: Solve for x
    x = 1,136,487,752,395.87/1,219,296.78
  6. Step 6: Final answer
    x = 932,084.60

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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.