Home / 645,533.28-968,451.12-634,822.56

Finding the Fourth Proportional to 645,533.28, 968,451.12 and 634,822.56

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Solution

The fourth proportional to 645,533.28, 968,451.12 and 634,822.56 is: 952,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,533.28 : 968,451.12 = 634,822.56 : x
  2. Step 2: Convert to fraction form
    645,533.28/968,451.12 = 634,822.56/x
  3. Step 3: Cross multiply
    645,533.28x = 968,451.12 × 634,822.56
  4. Step 4: Simplify right side
    645,533.28x = 614,794,619,233.27
  5. Step 5: Solve for x
    x = 614,794,619,233.27/645,533.28
  6. Step 6: Final answer
    x = 952,382.53

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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.