Home / 750,616.26-1,035,924.40-428,374.86

Finding the Fourth Proportional to 750,616.26, 1,035,924.40 and 428,374.86

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Solution

The fourth proportional to 750,616.26, 1,035,924.40 and 428,374.86 is: 591,199.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,616.26 : 1,035,924.40 = 428,374.86 : x
  2. Step 2: Convert to fraction form
    750,616.26/1,035,924.40 = 428,374.86/x
  3. Step 3: Cross multiply
    750,616.26x = 1,035,924.40 × 428,374.86
  4. Step 4: Simplify right side
    750,616.26x = 443,763,969,820.58
  5. Step 5: Solve for x
    x = 443,763,969,820.58/750,616.26
  6. Step 6: Final answer
    x = 591,199.52

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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.