Home / 349,417.10-522,829.65-256,105.10

Finding the Fourth Proportional to 349,417.10, 522,829.65 and 256,105.10

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Solution

The fourth proportional to 349,417.10, 522,829.65 and 256,105.10 is: 383,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,417.10 : 522,829.65 = 256,105.10 : x
  2. Step 2: Convert to fraction form
    349,417.10/522,829.65 = 256,105.10/x
  3. Step 3: Cross multiply
    349,417.10x = 522,829.65 × 256,105.10
  4. Step 4: Simplify right side
    349,417.10x = 133,899,339,796.22
  5. Step 5: Solve for x
    x = 133,899,339,796.22/349,417.10
  6. Step 6: Final answer
    x = 383,207.75

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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.