Home / 1,190,884.52-1,643,680.48-732,393.54

Finding the Fourth Proportional to 1,190,884.52, 1,643,680.48 and 732,393.54

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Solution

The fourth proportional to 1,190,884.52, 1,643,680.48 and 732,393.54 is: 1,010,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,884.52 : 1,643,680.48 = 732,393.54 : x
  2. Step 2: Convert to fraction form
    1,190,884.52/1,643,680.48 = 732,393.54/x
  3. Step 3: Cross multiply
    1,190,884.52x = 1,643,680.48 × 732,393.54
  4. Step 4: Simplify right side
    1,190,884.52x = 1,203,820,965,376.10
  5. Step 5: Solve for x
    x = 1,203,820,965,376.10/1,190,884.52
  6. Step 6: Final answer
    x = 1,010,862.89

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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.