Home / 774,707.82-1,068,921.62-468,776.50

Finding the Fourth Proportional to 774,707.82, 1,068,921.62 and 468,776.50

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Solution

The fourth proportional to 774,707.82, 1,068,921.62 and 468,776.50 is: 646,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,707.82 : 1,068,921.62 = 468,776.50 : x
  2. Step 2: Convert to fraction form
    774,707.82/1,068,921.62 = 468,776.50/x
  3. Step 3: Cross multiply
    774,707.82x = 1,068,921.62 × 468,776.50
  4. Step 4: Simplify right side
    774,707.82x = 501,085,335,797.93
  5. Step 5: Solve for x
    x = 501,085,335,797.93/774,707.82
  6. Step 6: Final answer
    x = 646,805.57

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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.