Home / 645,607.56-968,566.80-202,375.56

Finding the Fourth Proportional to 645,607.56, 968,566.80 and 202,375.56

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Solution

The fourth proportional to 645,607.56, 968,566.80 and 202,375.56 is: 303,612.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,607.56 : 968,566.80 = 202,375.56 : x
  2. Step 2: Convert to fraction form
    645,607.56/968,566.80 = 202,375.56/x
  3. Step 3: Cross multiply
    645,607.56x = 968,566.80 × 202,375.56
  4. Step 4: Simplify right side
    645,607.56x = 196,014,248,547.41
  5. Step 5: Solve for x
    x = 196,014,248,547.41/645,607.56
  6. Step 6: Final answer
    x = 303,612.07

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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.