Home / 1,083,128.70-1,625,729.85-925,535.10

Finding the Fourth Proportional to 1,083,128.70, 1,625,729.85 and 925,535.10

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Solution

The fourth proportional to 1,083,128.70, 1,625,729.85 and 925,535.10 is: 1,389,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,128.70 : 1,625,729.85 = 925,535.10 : x
  2. Step 2: Convert to fraction form
    1,083,128.70/1,625,729.85 = 925,535.10/x
  3. Step 3: Cross multiply
    1,083,128.70x = 1,625,729.85 × 925,535.10
  4. Step 4: Simplify right side
    1,083,128.70x = 1,504,670,039,292.74
  5. Step 5: Solve for x
    x = 1,504,670,039,292.74/1,083,128.70
  6. Step 6: Final answer
    x = 1,389,188.60

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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.