Home / 403,222.32-556,438.68-252,402.48

Finding the Fourth Proportional to 403,222.32, 556,438.68 and 252,402.48

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Solution

The fourth proportional to 403,222.32, 556,438.68 and 252,402.48 is: 348,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,222.32 : 556,438.68 = 252,402.48 : x
  2. Step 2: Convert to fraction form
    403,222.32/556,438.68 = 252,402.48/x
  3. Step 3: Cross multiply
    403,222.32x = 556,438.68 × 252,402.48
  4. Step 4: Simplify right side
    403,222.32x = 140,446,502,799.93
  5. Step 5: Solve for x
    x = 140,446,502,799.93/403,222.32
  6. Step 6: Final answer
    x = 348,310.34

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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.