Home / 901,909.48-1,244,648.64-494,048.92

Finding the Fourth Proportional to 901,909.48, 1,244,648.64 and 494,048.92

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Solution

The fourth proportional to 901,909.48, 1,244,648.64 and 494,048.92 is: 681,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,909.48 : 1,244,648.64 = 494,048.92 : x
  2. Step 2: Convert to fraction form
    901,909.48/1,244,648.64 = 494,048.92/x
  3. Step 3: Cross multiply
    901,909.48x = 1,244,648.64 × 494,048.92
  4. Step 4: Simplify right side
    901,909.48x = 614,917,316,371.47
  5. Step 5: Solve for x
    x = 614,917,316,371.47/901,909.48
  6. Step 6: Final answer
    x = 681,794.94

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1.5x scale

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.