Home / 774,616.30-1,161,924.45-745,091.80

Finding the Fourth Proportional to 774,616.30, 1,161,924.45 and 745,091.80

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Solution

The fourth proportional to 774,616.30, 1,161,924.45 and 745,091.80 is: 1,117,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,616.30 : 1,161,924.45 = 745,091.80 : x
  2. Step 2: Convert to fraction form
    774,616.30/1,161,924.45 = 745,091.80/x
  3. Step 3: Cross multiply
    774,616.30x = 1,161,924.45 × 745,091.80
  4. Step 4: Simplify right side
    774,616.30x = 865,740,379,914.51
  5. Step 5: Solve for x
    x = 865,740,379,914.51/774,616.30
  6. Step 6: Final answer
    x = 1,117,637.70

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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.