Home / 773,690.80-1,159,292.04-649,274.80

Finding the Fourth Proportional to 773,690.80, 1,159,292.04 and 649,274.80

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Solution

The fourth proportional to 773,690.80, 1,159,292.04 and 649,274.80 is: 972,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,690.80 : 1,159,292.04 = 649,274.80 : x
  2. Step 2: Convert to fraction form
    773,690.80/1,159,292.04 = 649,274.80/x
  3. Step 3: Cross multiply
    773,690.80x = 1,159,292.04 × 649,274.80
  4. Step 4: Simplify right side
    773,690.80x = 752,699,107,412.59
  5. Step 5: Solve for x
    x = 752,699,107,412.59/773,690.80
  6. Step 6: Final answer
    x = 972,868.11

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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.