Home / 541,811.40-812,814.30-226,300.20

Finding the Fourth Proportional to 541,811.40, 812,814.30 and 226,300.20

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Solution

The fourth proportional to 541,811.40, 812,814.30 and 226,300.20 is: 339,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,811.40 : 812,814.30 = 226,300.20 : x
  2. Step 2: Convert to fraction form
    541,811.40/812,814.30 = 226,300.20/x
  3. Step 3: Cross multiply
    541,811.40x = 812,814.30 × 226,300.20
  4. Step 4: Simplify right side
    541,811.40x = 183,940,038,652.86
  5. Step 5: Solve for x
    x = 183,940,038,652.86/541,811.40
  6. Step 6: Final answer
    x = 339,490.90

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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.