Home / 1,186,846.53-1,637,846.19-642,996.12

Finding the Fourth Proportional to 1,186,846.53, 1,637,846.19 and 642,996.12

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Solution

The fourth proportional to 1,186,846.53, 1,637,846.19 and 642,996.12 is: 887,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,846.53 : 1,637,846.19 = 642,996.12 : x
  2. Step 2: Convert to fraction form
    1,186,846.53/1,637,846.19 = 642,996.12/x
  3. Step 3: Cross multiply
    1,186,846.53x = 1,637,846.19 × 642,996.12
  4. Step 4: Simplify right side
    1,186,846.53x = 1,053,128,745,326.78
  5. Step 5: Solve for x
    x = 1,053,128,745,326.78/1,186,846.53
  6. Step 6: Final answer
    x = 887,333.55

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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.