Home / 1,246,776.02-1,719,753.09-864,663.38

Finding the Fourth Proportional to 1,246,776.02, 1,719,753.09 and 864,663.38

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Solution

The fourth proportional to 1,246,776.02, 1,719,753.09 and 864,663.38 is: 1,192,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,776.02 : 1,719,753.09 = 864,663.38 : x
  2. Step 2: Convert to fraction form
    1,246,776.02/1,719,753.09 = 864,663.38/x
  3. Step 3: Cross multiply
    1,246,776.02x = 1,719,753.09 × 864,663.38
  4. Step 4: Simplify right side
    1,246,776.02x = 1,487,007,519,564.84
  5. Step 5: Solve for x
    x = 1,487,007,519,564.84/1,246,776.02
  6. Step 6: Final answer
    x = 1,192,682.16

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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.