Home / 1,191,986.19-1,644,961.50-648,125.65

Finding the Fourth Proportional to 1,191,986.19, 1,644,961.50 and 648,125.65

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Solution

The fourth proportional to 1,191,986.19, 1,644,961.50 and 648,125.65 is: 894,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,986.19 : 1,644,961.50 = 648,125.65 : x
  2. Step 2: Convert to fraction form
    1,191,986.19/1,644,961.50 = 648,125.65/x
  3. Step 3: Cross multiply
    1,191,986.19x = 1,644,961.50 × 648,125.65
  4. Step 4: Simplify right side
    1,191,986.19x = 1,066,141,741,412.48
  5. Step 5: Solve for x
    x = 1,066,141,741,412.48/1,191,986.19
  6. Step 6: Final answer
    x = 894,424.58

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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.