Home / 1,261,171.10-1,740,452.89-688,248.18

Finding the Fourth Proportional to 1,261,171.10, 1,740,452.89 and 688,248.18

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Solution

The fourth proportional to 1,261,171.10, 1,740,452.89 and 688,248.18 is: 949,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,171.10 : 1,740,452.89 = 688,248.18 : x
  2. Step 2: Convert to fraction form
    1,261,171.10/1,740,452.89 = 688,248.18/x
  3. Step 3: Cross multiply
    1,261,171.10x = 1,740,452.89 × 688,248.18
  4. Step 4: Simplify right side
    1,261,171.10x = 1,197,863,533,918.24
  5. Step 5: Solve for x
    x = 1,197,863,533,918.24/1,261,171.10
  6. Step 6: Final answer
    x = 949,802.56

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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.