Home / 1,190,173.03-1,643,559.75-828,585.61

Finding the Fourth Proportional to 1,190,173.03, 1,643,559.75 and 828,585.61

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Solution

The fourth proportional to 1,190,173.03, 1,643,559.75 and 828,585.61 is: 1,144,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,173.03 : 1,643,559.75 = 828,585.61 : x
  2. Step 2: Convert to fraction form
    1,190,173.03/1,643,559.75 = 828,585.61/x
  3. Step 3: Cross multiply
    1,190,173.03x = 1,643,559.75 × 828,585.61
  4. Step 4: Simplify right side
    1,190,173.03x = 1,361,829,958,025.20
  5. Step 5: Solve for x
    x = 1,361,829,958,025.20/1,190,173.03
  6. Step 6: Final answer
    x = 1,144,228.55

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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.