Home / 885,778.02-1,221,743.81-591,279.23

Finding the Fourth Proportional to 885,778.02, 1,221,743.81 and 591,279.23

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Solution

The fourth proportional to 885,778.02, 1,221,743.81 and 591,279.23 is: 815,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,778.02 : 1,221,743.81 = 591,279.23 : x
  2. Step 2: Convert to fraction form
    885,778.02/1,221,743.81 = 591,279.23/x
  3. Step 3: Cross multiply
    885,778.02x = 1,221,743.81 × 591,279.23
  4. Step 4: Simplify right side
    885,778.02x = 722,391,743,766.62
  5. Step 5: Solve for x
    x = 722,391,743,766.62/885,778.02
  6. Step 6: Final answer
    x = 815,544.90

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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.