Home / 778,891.73-1,074,023.24-506,454.41

Finding the Fourth Proportional to 778,891.73, 1,074,023.24 and 506,454.41

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Solution

The fourth proportional to 778,891.73, 1,074,023.24 and 506,454.41 is: 698,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,891.73 : 1,074,023.24 = 506,454.41 : x
  2. Step 2: Convert to fraction form
    778,891.73/1,074,023.24 = 506,454.41/x
  3. Step 3: Cross multiply
    778,891.73x = 1,074,023.24 × 506,454.41
  4. Step 4: Simplify right side
    778,891.73x = 543,943,805,873.18
  5. Step 5: Solve for x
    x = 543,943,805,873.18/778,891.73
  6. Step 6: Final answer
    x = 698,356.11

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1.5x scale

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.