Home / 1,208,047.22-1,667,108.49-664,238.60

Finding the Fourth Proportional to 1,208,047.22, 1,667,108.49 and 664,238.60

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Solution

The fourth proportional to 1,208,047.22, 1,667,108.49 and 664,238.60 is: 916,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,047.22 : 1,667,108.49 = 664,238.60 : x
  2. Step 2: Convert to fraction form
    1,208,047.22/1,667,108.49 = 664,238.60/x
  3. Step 3: Cross multiply
    1,208,047.22x = 1,667,108.49 × 664,238.60
  4. Step 4: Simplify right side
    1,208,047.22x = 1,107,357,809,445.71
  5. Step 5: Solve for x
    x = 1,107,357,809,445.71/1,208,047.22
  6. Step 6: Final answer
    x = 916,651.10

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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.