Home / 1,035,403.80-1,428,578.28-605,789.52

Finding the Fourth Proportional to 1,035,403.80, 1,428,578.28 and 605,789.52

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Solution

The fourth proportional to 1,035,403.80, 1,428,578.28 and 605,789.52 is: 835,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,403.80 : 1,428,578.28 = 605,789.52 : x
  2. Step 2: Convert to fraction form
    1,035,403.80/1,428,578.28 = 605,789.52/x
  3. Step 3: Cross multiply
    1,035,403.80x = 1,428,578.28 × 605,789.52
  4. Step 4: Simplify right side
    1,035,403.80x = 865,417,750,523.63
  5. Step 5: Solve for x
    x = 865,417,750,523.63/1,035,403.80
  6. Step 6: Final answer
    x = 835,826.32

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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.