Home / 577,408.20-861,660.84-507,438.24

Finding the Fourth Proportional to 577,408.20, 861,660.84 and 507,438.24

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Solution

The fourth proportional to 577,408.20, 861,660.84 and 507,438.24 is: 757,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,408.20 : 861,660.84 = 507,438.24 : x
  2. Step 2: Convert to fraction form
    577,408.20/861,660.84 = 507,438.24/x
  3. Step 3: Cross multiply
    577,408.20x = 861,660.84 × 507,438.24
  4. Step 4: Simplify right side
    577,408.20x = 437,239,660,126.52
  5. Step 5: Solve for x
    x = 437,239,660,126.52/577,408.20
  6. Step 6: Final answer
    x = 757,245.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.