Home / 437,934.36-604,349.85-256,610.16

Finding the Fourth Proportional to 437,934.36, 604,349.85 and 256,610.16

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Solution

The fourth proportional to 437,934.36, 604,349.85 and 256,610.16 is: 354,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,934.36 : 604,349.85 = 256,610.16 : x
  2. Step 2: Convert to fraction form
    437,934.36/604,349.85 = 256,610.16/x
  3. Step 3: Cross multiply
    437,934.36x = 604,349.85 × 256,610.16
  4. Step 4: Simplify right side
    437,934.36x = 155,082,311,704.48
  5. Step 5: Solve for x
    x = 155,082,311,704.48/437,934.36
  6. Step 6: Final answer
    x = 354,122.27

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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.