Home / 1,186,983.56-1,637,440.08-779,028.80

Finding the Fourth Proportional to 1,186,983.56, 1,637,440.08 and 779,028.80

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Solution

The fourth proportional to 1,186,983.56, 1,637,440.08 and 779,028.80 is: 1,074,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,983.56 : 1,637,440.08 = 779,028.80 : x
  2. Step 2: Convert to fraction form
    1,186,983.56/1,637,440.08 = 779,028.80/x
  3. Step 3: Cross multiply
    1,186,983.56x = 1,637,440.08 × 779,028.80
  4. Step 4: Simplify right side
    1,186,983.56x = 1,275,612,980,594.30
  5. Step 5: Solve for x
    x = 1,275,612,980,594.30/1,186,983.56
  6. Step 6: Final answer
    x = 1,074,667.77

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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.