Home / 774,617.80-1,161,926.70-745,093.30

Finding the Fourth Proportional to 774,617.80, 1,161,926.70 and 745,093.30

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Solution

The fourth proportional to 774,617.80, 1,161,926.70 and 745,093.30 is: 1,117,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,617.80 : 1,161,926.70 = 745,093.30 : x
  2. Step 2: Convert to fraction form
    774,617.80/1,161,926.70 = 745,093.30/x
  3. Step 3: Cross multiply
    774,617.80x = 1,161,926.70 × 745,093.30
  4. Step 4: Simplify right side
    774,617.80x = 865,743,799,261.11
  5. Step 5: Solve for x
    x = 865,743,799,261.11/774,617.80
  6. Step 6: Final answer
    x = 1,117,639.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.