Home / 1,191,772.64-1,644,678.07-647,945.06

Finding the Fourth Proportional to 1,191,772.64, 1,644,678.07 and 647,945.06

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Solution

The fourth proportional to 1,191,772.64, 1,644,678.07 and 647,945.06 is: 894,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,772.64 : 1,644,678.07 = 647,945.06 : x
  2. Step 2: Convert to fraction form
    1,191,772.64/1,644,678.07 = 647,945.06/x
  3. Step 3: Cross multiply
    1,191,772.64x = 1,644,678.07 × 647,945.06
  4. Step 4: Simplify right side
    1,191,772.64x = 1,065,661,020,903.58
  5. Step 5: Solve for x
    x = 1,065,661,020,903.58/1,191,772.64
  6. Step 6: Final answer
    x = 894,181.48

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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.