Home / 403,014.07-556,164.06-230,928.63

Finding the Fourth Proportional to 403,014.07, 556,164.06 and 230,928.63

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Solution

The fourth proportional to 403,014.07, 556,164.06 and 230,928.63 is: 318,684.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,014.07 : 556,164.06 = 230,928.63 : x
  2. Step 2: Convert to fraction form
    403,014.07/556,164.06 = 230,928.63/x
  3. Step 3: Cross multiply
    403,014.07x = 556,164.06 × 230,928.63
  4. Step 4: Simplify right side
    403,014.07x = 128,434,204,431.04
  5. Step 5: Solve for x
    x = 128,434,204,431.04/403,014.07
  6. Step 6: Final answer
    x = 318,684.17

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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.