Home / 1,173,528.78-1,760,293.20-640,759.20

Finding the Fourth Proportional to 1,173,528.78, 1,760,293.20 and 640,759.20

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Solution

The fourth proportional to 1,173,528.78, 1,760,293.20 and 640,759.20 is: 961,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,528.78 : 1,760,293.20 = 640,759.20 : x
  2. Step 2: Convert to fraction form
    1,173,528.78/1,760,293.20 = 640,759.20/x
  3. Step 3: Cross multiply
    1,173,528.78x = 1,760,293.20 × 640,759.20
  4. Step 4: Simplify right side
    1,173,528.78x = 1,127,924,062,597.44
  5. Step 5: Solve for x
    x = 1,127,924,062,597.44/1,173,528.78
  6. Step 6: Final answer
    x = 961,138.82

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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.