Home / 1,261,170.69-1,740,452.57-688,247.83

Finding the Fourth Proportional to 1,261,170.69, 1,740,452.57 and 688,247.83

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Solution

The fourth proportional to 1,261,170.69, 1,740,452.57 and 688,247.83 is: 949,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,170.69 : 1,740,452.57 = 688,247.83 : x
  2. Step 2: Convert to fraction form
    1,261,170.69/1,740,452.57 = 688,247.83/x
  3. Step 3: Cross multiply
    1,261,170.69x = 1,740,452.57 × 688,247.83
  4. Step 4: Simplify right side
    1,261,170.69x = 1,197,862,701,079.18
  5. Step 5: Solve for x
    x = 1,197,862,701,079.18/1,261,170.69
  6. Step 6: Final answer
    x = 949,802.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.