Home / 406,623.51-561,135.95-222,863.57

Finding the Fourth Proportional to 406,623.51, 561,135.95 and 222,863.57

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Solution

The fourth proportional to 406,623.51, 561,135.95 and 222,863.57 is: 307,549.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,623.51 : 561,135.95 = 222,863.57 : x
  2. Step 2: Convert to fraction form
    406,623.51/561,135.95 = 222,863.57/x
  3. Step 3: Cross multiply
    406,623.51x = 561,135.95 × 222,863.57
  4. Step 4: Simplify right side
    406,623.51x = 125,056,758,266.66
  5. Step 5: Solve for x
    x = 125,056,758,266.66/406,623.51
  6. Step 6: Final answer
    x = 307,549.26

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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.