Home / 728,969.20-1,005,083.76-599,455.08

Finding the Fourth Proportional to 728,969.20, 1,005,083.76 and 599,455.08

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Solution

The fourth proportional to 728,969.20, 1,005,083.76 and 599,455.08 is: 826,513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,969.20 : 1,005,083.76 = 599,455.08 : x
  2. Step 2: Convert to fraction form
    728,969.20/1,005,083.76 = 599,455.08/x
  3. Step 3: Cross multiply
    728,969.20x = 1,005,083.76 × 599,455.08
  4. Step 4: Simplify right side
    728,969.20x = 602,502,565,757.50
  5. Step 5: Solve for x
    x = 602,502,565,757.50/728,969.20
  6. Step 6: Final answer
    x = 826,513.06

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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.