Home / 621,088.97-931,525.40-200,364.85

Finding the Fourth Proportional to 621,088.97, 931,525.40 and 200,364.85

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Solution

The fourth proportional to 621,088.97, 931,525.40 and 200,364.85 is: 300,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,088.97 : 931,525.40 = 200,364.85 : x
  2. Step 2: Convert to fraction form
    621,088.97/931,525.40 = 200,364.85/x
  3. Step 3: Cross multiply
    621,088.97x = 931,525.40 × 200,364.85
  4. Step 4: Simplify right side
    621,088.97x = 186,644,943,711.55
  5. Step 5: Solve for x
    x = 186,644,943,711.55/621,088.97
  6. Step 6: Final answer
    x = 300,512.41

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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.