Home / 986,299.24-1,478,221.02-453,253.48

Finding the Fourth Proportional to 986,299.24, 1,478,221.02 and 453,253.48

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Solution

The fourth proportional to 986,299.24, 1,478,221.02 and 453,253.48 is: 679,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,299.24 : 1,478,221.02 = 453,253.48 : x
  2. Step 2: Convert to fraction form
    986,299.24/1,478,221.02 = 453,253.48/x
  3. Step 3: Cross multiply
    986,299.24x = 1,478,221.02 × 453,253.48
  4. Step 4: Simplify right side
    986,299.24x = 670,008,821,524.15
  5. Step 5: Solve for x
    x = 670,008,821,524.15/986,299.24
  6. Step 6: Final answer
    x = 679,315.97

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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.