Home / 774,291.76-1,165,985.48-675,628.96

Finding the Fourth Proportional to 774,291.76, 1,165,985.48 and 675,628.96

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Solution

The fourth proportional to 774,291.76, 1,165,985.48 and 675,628.96 is: 1,017,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,291.76 : 1,165,985.48 = 675,628.96 : x
  2. Step 2: Convert to fraction form
    774,291.76/1,165,985.48 = 675,628.96/x
  3. Step 3: Cross multiply
    774,291.76x = 1,165,985.48 × 675,628.96
  4. Step 4: Simplify right side
    774,291.76x = 787,773,557,227.50
  5. Step 5: Solve for x
    x = 787,773,557,227.50/774,291.76
  6. Step 6: Final answer
    x = 1,017,411.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.