Home / 1,191,729.64-1,644,597.56-647,866.48

Finding the Fourth Proportional to 1,191,729.64, 1,644,597.56 and 647,866.48

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Solution

The fourth proportional to 1,191,729.64, 1,644,597.56 and 647,866.48 is: 894,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,729.64 : 1,644,597.56 = 647,866.48 : x
  2. Step 2: Convert to fraction form
    1,191,729.64/1,644,597.56 = 647,866.48/x
  3. Step 3: Cross multiply
    1,191,729.64x = 1,644,597.56 × 647,866.48
  4. Step 4: Simplify right side
    1,191,729.64x = 1,065,479,632,213.79
  5. Step 5: Solve for x
    x = 1,065,479,632,213.79/1,191,729.64
  6. Step 6: Final answer
    x = 894,061.54

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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.