Home / 548,621.53-757,216.18-333,830.72

Finding the Fourth Proportional to 548,621.53, 757,216.18 and 333,830.72

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Solution

The fourth proportional to 548,621.53, 757,216.18 and 333,830.72 is: 460,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,621.53 : 757,216.18 = 333,830.72 : x
  2. Step 2: Convert to fraction form
    548,621.53/757,216.18 = 333,830.72/x
  3. Step 3: Cross multiply
    548,621.53x = 757,216.18 × 333,830.72
  4. Step 4: Simplify right side
    548,621.53x = 252,782,024,875.38
  5. Step 5: Solve for x
    x = 252,782,024,875.38/548,621.53
  6. Step 6: Final answer
    x = 460,758.49

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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.