Home / 437,677.20-604,145.24-256,447.80

Finding the Fourth Proportional to 437,677.20, 604,145.24 and 256,447.80

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Solution

The fourth proportional to 437,677.20, 604,145.24 and 256,447.80 is: 353,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,677.20 : 604,145.24 = 256,447.80 : x
  2. Step 2: Convert to fraction form
    437,677.20/604,145.24 = 256,447.80/x
  3. Step 3: Cross multiply
    437,677.20x = 604,145.24 × 256,447.80
  4. Step 4: Simplify right side
    437,677.20x = 154,931,716,396.23
  5. Step 5: Solve for x
    x = 154,931,716,396.23/437,677.20
  6. Step 6: Final answer
    x = 353,986.26

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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.