Home / 374,725.16-517,016.58-223,767.08

Finding the Fourth Proportional to 374,725.16, 517,016.58 and 223,767.08

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Solution

The fourth proportional to 374,725.16, 517,016.58 and 223,767.08 is: 308,736.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,725.16 : 517,016.58 = 223,767.08 : x
  2. Step 2: Convert to fraction form
    374,725.16/517,016.58 = 223,767.08/x
  3. Step 3: Cross multiply
    374,725.16x = 517,016.58 × 223,767.08
  4. Step 4: Simplify right side
    374,725.16x = 115,691,290,418.19
  5. Step 5: Solve for x
    x = 115,691,290,418.19/374,725.16
  6. Step 6: Final answer
    x = 308,736.38

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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.