Home / 684,258.84-944,239.20-378,317.34

Finding the Fourth Proportional to 684,258.84, 944,239.20 and 378,317.34

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Solution

The fourth proportional to 684,258.84, 944,239.20 and 378,317.34 is: 522,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,258.84 : 944,239.20 = 378,317.34 : x
  2. Step 2: Convert to fraction form
    684,258.84/944,239.20 = 378,317.34/x
  3. Step 3: Cross multiply
    684,258.84x = 944,239.20 × 378,317.34
  4. Step 4: Simplify right side
    684,258.84x = 357,222,062,467.73
  5. Step 5: Solve for x
    x = 357,222,062,467.73/684,258.84
  6. Step 6: Final answer
    x = 522,056.92

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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.