Home / 540,948.20-811,918.30-274,893.80

Finding the Fourth Proportional to 540,948.20, 811,918.30 and 274,893.80

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Solution

The fourth proportional to 540,948.20, 811,918.30 and 274,893.80 is: 412,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,948.20 : 811,918.30 = 274,893.80 : x
  2. Step 2: Convert to fraction form
    540,948.20/811,918.30 = 274,893.80/x
  3. Step 3: Cross multiply
    540,948.20x = 811,918.30 × 274,893.80
  4. Step 4: Simplify right side
    540,948.20x = 223,191,306,776.54
  5. Step 5: Solve for x
    x = 223,191,306,776.54/540,948.20
  6. Step 6: Final answer
    x = 412,592.75

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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.