Home / 522,043.20-783,137.70-222,521.40

Finding the Fourth Proportional to 522,043.20, 783,137.70 and 222,521.40

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Solution

The fourth proportional to 522,043.20, 783,137.70 and 222,521.40 is: 333,813.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,043.20 : 783,137.70 = 222,521.40 : x
  2. Step 2: Convert to fraction form
    522,043.20/783,137.70 = 222,521.40/x
  3. Step 3: Cross multiply
    522,043.20x = 783,137.70 × 222,521.40
  4. Step 4: Simplify right side
    522,043.20x = 174,264,897,396.78
  5. Step 5: Solve for x
    x = 174,264,897,396.78/522,043.20
  6. Step 6: Final answer
    x = 333,813.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.