Home / 1,126,780.56-1,554,969.42-617,472

Finding the Fourth Proportional to 1,126,780.56, 1,554,969.42 and 617,472

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Solution

The fourth proportional to 1,126,780.56, 1,554,969.42 and 617,472 is: 852,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,780.56 : 1,554,969.42 = 617,472 : x
  2. Step 2: Convert to fraction form
    1,126,780.56/1,554,969.42 = 617,472/x
  3. Step 3: Cross multiply
    1,126,780.56x = 1,554,969.42 × 617,472
  4. Step 4: Simplify right side
    1,126,780.56x = 960,150,077,706.24
  5. Step 5: Solve for x
    x = 960,150,077,706.24/1,126,780.56
  6. Step 6: Final answer
    x = 852,118.07

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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.