Home / 648,339.19-972,586.44-199,001.21

Finding the Fourth Proportional to 648,339.19, 972,586.44 and 199,001.21

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Solution

The fourth proportional to 648,339.19, 972,586.44 and 199,001.21 is: 298,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,339.19 : 972,586.44 = 199,001.21 : x
  2. Step 2: Convert to fraction form
    648,339.19/972,586.44 = 199,001.21/x
  3. Step 3: Cross multiply
    648,339.19x = 972,586.44 × 199,001.21
  4. Step 4: Simplify right side
    648,339.19x = 193,545,873,526.66
  5. Step 5: Solve for x
    x = 193,545,873,526.66/648,339.19
  6. Step 6: Final answer
    x = 298,525.64

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1.5x scale

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.