Home / 436,251.36-653,209.98-256,188.36

Finding the Fourth Proportional to 436,251.36, 653,209.98 and 256,188.36

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Solution

The fourth proportional to 436,251.36, 653,209.98 and 256,188.36 is: 383,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,251.36 : 653,209.98 = 256,188.36 : x
  2. Step 2: Convert to fraction form
    436,251.36/653,209.98 = 256,188.36/x
  3. Step 3: Cross multiply
    436,251.36x = 653,209.98 × 256,188.36
  4. Step 4: Simplify right side
    436,251.36x = 167,344,793,511.83
  5. Step 5: Solve for x
    x = 167,344,793,511.83/436,251.36
  6. Step 6: Final answer
    x = 383,597.18

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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.