Home / 1,719,535.60-2,575,370.40-821,608.12

Finding the Fourth Proportional to 1,719,535.60, 2,575,370.40 and 821,608.12

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Solution

The fourth proportional to 1,719,535.60, 2,575,370.40 and 821,608.12 is: 1,230,532.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,535.60 : 2,575,370.40 = 821,608.12 : x
  2. Step 2: Convert to fraction form
    1,719,535.60/2,575,370.40 = 821,608.12/x
  3. Step 3: Cross multiply
    1,719,535.60x = 2,575,370.40 × 821,608.12
  4. Step 4: Simplify right side
    1,719,535.60x = 2,115,945,232,647.65
  5. Step 5: Solve for x
    x = 2,115,945,232,647.65/1,719,535.60
  6. Step 6: Final answer
    x = 1,230,532.96

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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.