Home / 780,106.80-1,167,568.20-566,266.80

Finding the Fourth Proportional to 780,106.80, 1,167,568.20 and 566,266.80

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Solution

The fourth proportional to 780,106.80, 1,167,568.20 and 566,266.80 is: 847,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,106.80 : 1,167,568.20 = 566,266.80 : x
  2. Step 2: Convert to fraction form
    780,106.80/1,167,568.20 = 566,266.80/x
  3. Step 3: Cross multiply
    780,106.80x = 1,167,568.20 × 566,266.80
  4. Step 4: Simplify right side
    780,106.80x = 661,155,108,395.76
  5. Step 5: Solve for x
    x = 661,155,108,395.76/780,106.80
  6. Step 6: Final answer
    x = 847,518.71

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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.