Home / 522,241.20-783,434.70-222,719.40

Finding the Fourth Proportional to 522,241.20, 783,434.70 and 222,719.40

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Solution

The fourth proportional to 522,241.20, 783,434.70 and 222,719.40 is: 334,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,241.20 : 783,434.70 = 222,719.40 : x
  2. Step 2: Convert to fraction form
    522,241.20/783,434.70 = 222,719.40/x
  3. Step 3: Cross multiply
    522,241.20x = 783,434.70 × 222,719.40
  4. Step 4: Simplify right side
    522,241.20x = 174,486,106,323.18
  5. Step 5: Solve for x
    x = 174,486,106,323.18/522,241.20
  6. Step 6: Final answer
    x = 334,110.19

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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.