Home / 406,763.67-561,144.02-255,943.83

Finding the Fourth Proportional to 406,763.67, 561,144.02 and 255,943.83

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Solution

The fourth proportional to 406,763.67, 561,144.02 and 255,943.83 is: 353,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,763.67 : 561,144.02 = 255,943.83 : x
  2. Step 2: Convert to fraction form
    406,763.67/561,144.02 = 255,943.83/x
  3. Step 3: Cross multiply
    406,763.67x = 561,144.02 × 255,943.83
  4. Step 4: Simplify right side
    406,763.67x = 143,621,348,380.68
  5. Step 5: Solve for x
    x = 143,621,348,380.68/406,763.67
  6. Step 6: Final answer
    x = 353,083.03

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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.