Home / 1,578,144.50-2,177,839.41-862,752.50

Finding the Fourth Proportional to 1,578,144.50, 2,177,839.41 and 862,752.50

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Solution

The fourth proportional to 1,578,144.50, 2,177,839.41 and 862,752.50 is: 1,190,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,144.50 : 2,177,839.41 = 862,752.50 : x
  2. Step 2: Convert to fraction form
    1,578,144.50/2,177,839.41 = 862,752.50/x
  3. Step 3: Cross multiply
    1,578,144.50x = 2,177,839.41 × 862,752.50
  4. Step 4: Simplify right side
    1,578,144.50x = 1,878,936,395,576.03
  5. Step 5: Solve for x
    x = 1,878,936,395,576.03/1,578,144.50
  6. Step 6: Final answer
    x = 1,190,598.45

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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.