Home / 621,260.31-931,891.41-188,981.58

Finding the Fourth Proportional to 621,260.31, 931,891.41 and 188,981.58

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Solution

The fourth proportional to 621,260.31, 931,891.41 and 188,981.58 is: 283,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,260.31 : 931,891.41 = 188,981.58 : x
  2. Step 2: Convert to fraction form
    621,260.31/931,891.41 = 188,981.58/x
  3. Step 3: Cross multiply
    621,260.31x = 931,891.41 × 188,981.58
  4. Step 4: Simplify right side
    621,260.31x = 176,110,311,050.23
  5. Step 5: Solve for x
    x = 176,110,311,050.23/621,260.31
  6. Step 6: Final answer
    x = 283,472.66

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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.