Home / 620,210.08-929,724.49-199,190.71

Finding the Fourth Proportional to 620,210.08, 929,724.49 and 199,190.71

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Solution

The fourth proportional to 620,210.08, 929,724.49 and 199,190.71 is: 298,596.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,210.08 : 929,724.49 = 199,190.71 : x
  2. Step 2: Convert to fraction form
    620,210.08/929,724.49 = 199,190.71/x
  3. Step 3: Cross multiply
    620,210.08x = 929,724.49 × 199,190.71
  4. Step 4: Simplify right side
    620,210.08x = 185,192,481,267.49
  5. Step 5: Solve for x
    x = 185,192,481,267.49/620,210.08
  6. Step 6: Final answer
    x = 298,596.37

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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.