Home / 548,343.96-756,905.16-376,829.76

Finding the Fourth Proportional to 548,343.96, 756,905.16 and 376,829.76

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Solution

The fourth proportional to 548,343.96, 756,905.16 and 376,829.76 is: 520,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,343.96 : 756,905.16 = 376,829.76 : x
  2. Step 2: Convert to fraction form
    548,343.96/756,905.16 = 376,829.76/x
  3. Step 3: Cross multiply
    548,343.96x = 756,905.16 × 376,829.76
  4. Step 4: Simplify right side
    548,343.96x = 285,224,389,785.56
  5. Step 5: Solve for x
    x = 285,224,389,785.56/548,343.96
  6. Step 6: Final answer
    x = 520,155.98

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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.