Home / 423,474.05-584,137.45-251,278.55

Finding the Fourth Proportional to 423,474.05, 584,137.45 and 251,278.55

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Solution

The fourth proportional to 423,474.05, 584,137.45 and 251,278.55 is: 346,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,474.05 : 584,137.45 = 251,278.55 : x
  2. Step 2: Convert to fraction form
    423,474.05/584,137.45 = 251,278.55/x
  3. Step 3: Cross multiply
    423,474.05x = 584,137.45 × 251,278.55
  4. Step 4: Simplify right side
    423,474.05x = 146,781,213,599.68
  5. Step 5: Solve for x
    x = 146,781,213,599.68/423,474.05
  6. Step 6: Final answer
    x = 346,612.06

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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.