Home / 1,678,896.56-2,519,088.16-879,988.16

Finding the Fourth Proportional to 1,678,896.56, 2,519,088.16 and 879,988.16

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Solution

The fourth proportional to 1,678,896.56, 2,519,088.16 and 879,988.16 is: 1,320,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,896.56 : 2,519,088.16 = 879,988.16 : x
  2. Step 2: Convert to fraction form
    1,678,896.56/2,519,088.16 = 879,988.16/x
  3. Step 3: Cross multiply
    1,678,896.56x = 2,519,088.16 × 879,988.16
  4. Step 4: Simplify right side
    1,678,896.56x = 2,216,767,754,796.19
  5. Step 5: Solve for x
    x = 2,216,767,754,796.19/1,678,896.56
  6. Step 6: Final answer
    x = 1,320,371.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.