Home / 291,250.30-436,875.45-263,256.70

Finding the Fourth Proportional to 291,250.30, 436,875.45 and 263,256.70

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Solution

The fourth proportional to 291,250.30, 436,875.45 and 263,256.70 is: 394,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,250.30 : 436,875.45 = 263,256.70 : x
  2. Step 2: Convert to fraction form
    291,250.30/436,875.45 = 263,256.70/x
  3. Step 3: Cross multiply
    291,250.30x = 436,875.45 × 263,256.70
  4. Step 4: Simplify right side
    291,250.30x = 115,010,389,278.02
  5. Step 5: Solve for x
    x = 115,010,389,278.02/291,250.30
  6. Step 6: Final answer
    x = 394,885.05

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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.