Home / 1,320,681.26-1,981,909.65-467,749.85

Finding the Fourth Proportional to 1,320,681.26, 1,981,909.65 and 467,749.85

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Solution

The fourth proportional to 1,320,681.26, 1,981,909.65 and 467,749.85 is: 701,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,681.26 : 1,981,909.65 = 467,749.85 : x
  2. Step 2: Convert to fraction form
    1,320,681.26/1,981,909.65 = 467,749.85/x
  3. Step 3: Cross multiply
    1,320,681.26x = 1,981,909.65 × 467,749.85
  4. Step 4: Simplify right side
    1,320,681.26x = 927,037,933,345.57
  5. Step 5: Solve for x
    x = 927,037,933,345.57/1,320,681.26
  6. Step 6: Final answer
    x = 701,939.19

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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.