Home / 1,112,206.34-1,667,187.77-438,027.14

Finding the Fourth Proportional to 1,112,206.34, 1,667,187.77 and 438,027.14

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Solution

The fourth proportional to 1,112,206.34, 1,667,187.77 and 438,027.14 is: 656,598.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,206.34 : 1,667,187.77 = 438,027.14 : x
  2. Step 2: Convert to fraction form
    1,112,206.34/1,667,187.77 = 438,027.14/x
  3. Step 3: Cross multiply
    1,112,206.34x = 1,667,187.77 × 438,027.14
  4. Step 4: Simplify right side
    1,112,206.34x = 730,273,492,713.91
  5. Step 5: Solve for x
    x = 730,273,492,713.91/1,112,206.34
  6. Step 6: Final answer
    x = 656,598.93

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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.