Home / 421,979.22-582,338.16-230,989.32

Finding the Fourth Proportional to 421,979.22, 582,338.16 and 230,989.32

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Solution

The fourth proportional to 421,979.22, 582,338.16 and 230,989.32 is: 318,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,979.22 : 582,338.16 = 230,989.32 : x
  2. Step 2: Convert to fraction form
    421,979.22/582,338.16 = 230,989.32/x
  3. Step 3: Cross multiply
    421,979.22x = 582,338.16 × 230,989.32
  4. Step 4: Simplify right side
    421,979.22x = 134,513,895,588.45
  5. Step 5: Solve for x
    x = 134,513,895,588.45/421,979.22
  6. Step 6: Final answer
    x = 318,769.00

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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.