Home / 403,005.12-556,138.08-233,235.84

Finding the Fourth Proportional to 403,005.12, 556,138.08 and 233,235.84

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Solution

The fourth proportional to 403,005.12, 556,138.08 and 233,235.84 is: 321,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,005.12 : 556,138.08 = 233,235.84 : x
  2. Step 2: Convert to fraction form
    403,005.12/556,138.08 = 233,235.84/x
  3. Step 3: Cross multiply
    403,005.12x = 556,138.08 × 233,235.84
  4. Step 4: Simplify right side
    403,005.12x = 129,711,332,244.79
  5. Step 5: Solve for x
    x = 129,711,332,244.79/403,005.12
  6. Step 6: Final answer
    x = 321,860.26

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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.