Home / 1,261,077.14-1,740,328.46-688,148.75

Finding the Fourth Proportional to 1,261,077.14, 1,740,328.46 and 688,148.75

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Solution

The fourth proportional to 1,261,077.14, 1,740,328.46 and 688,148.75 is: 949,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,077.14 : 1,740,328.46 = 688,148.75 : x
  2. Step 2: Convert to fraction form
    1,261,077.14/1,740,328.46 = 688,148.75/x
  3. Step 3: Cross multiply
    1,261,077.14x = 1,740,328.46 × 688,148.75
  4. Step 4: Simplify right side
    1,261,077.14x = 1,197,604,842,196.04
  5. Step 5: Solve for x
    x = 1,197,604,842,196.04/1,261,077.14
  6. Step 6: Final answer
    x = 949,668.19

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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.