Home / 541,582.21-747,406.78-299,864.75

Finding the Fourth Proportional to 541,582.21, 747,406.78 and 299,864.75

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Solution

The fourth proportional to 541,582.21, 747,406.78 and 299,864.75 is: 413,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,582.21 : 747,406.78 = 299,864.75 : x
  2. Step 2: Convert to fraction form
    541,582.21/747,406.78 = 299,864.75/x
  3. Step 3: Cross multiply
    541,582.21x = 747,406.78 × 299,864.75
  4. Step 4: Simplify right side
    541,582.21x = 224,120,947,233.01
  5. Step 5: Solve for x
    x = 224,120,947,233.01/541,582.21
  6. Step 6: Final answer
    x = 413,826.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.