Home / 645,589.50-968,539.80-202,357.50

Finding the Fourth Proportional to 645,589.50, 968,539.80 and 202,357.50

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Solution

The fourth proportional to 645,589.50, 968,539.80 and 202,357.50 is: 303,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,589.50 : 968,539.80 = 202,357.50 : x
  2. Step 2: Convert to fraction form
    645,589.50/968,539.80 = 202,357.50/x
  3. Step 3: Cross multiply
    645,589.50x = 968,539.80 × 202,357.50
  4. Step 4: Simplify right side
    645,589.50x = 195,991,292,578.50
  5. Step 5: Solve for x
    x = 195,991,292,578.50/645,589.50
  6. Step 6: Final answer
    x = 303,585.01

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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.