Home / 622,216.10-934,015.35-385,825.70

Finding the Fourth Proportional to 622,216.10, 934,015.35 and 385,825.70

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Solution

The fourth proportional to 622,216.10, 934,015.35 and 385,825.70 is: 579,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,216.10 : 934,015.35 = 385,825.70 : x
  2. Step 2: Convert to fraction form
    622,216.10/934,015.35 = 385,825.70/x
  3. Step 3: Cross multiply
    622,216.10x = 934,015.35 × 385,825.70
  4. Step 4: Simplify right side
    622,216.10x = 360,367,126,224.50
  5. Step 5: Solve for x
    x = 360,367,126,224.50/622,216.10
  6. Step 6: Final answer
    x = 579,167.15

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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.