Home / 683,129.27-1,024,165.95-256,656.07

Finding the Fourth Proportional to 683,129.27, 1,024,165.95 and 256,656.07

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Solution

The fourth proportional to 683,129.27, 1,024,165.95 and 256,656.07 is: 384,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,129.27 : 1,024,165.95 = 256,656.07 : x
  2. Step 2: Convert to fraction form
    683,129.27/1,024,165.95 = 256,656.07/x
  3. Step 3: Cross multiply
    683,129.27x = 1,024,165.95 × 256,656.07
  4. Step 4: Simplify right side
    683,129.27x = 262,858,405,913.92
  5. Step 5: Solve for x
    x = 262,858,405,913.92/683,129.27
  6. Step 6: Final answer
    x = 384,785.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.