Home / 566,238.58-781,376.76-311,589.77

Finding the Fourth Proportional to 566,238.58, 781,376.76 and 311,589.77

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Solution

The fourth proportional to 566,238.58, 781,376.76 and 311,589.77 is: 429,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,238.58 : 781,376.76 = 311,589.77 : x
  2. Step 2: Convert to fraction form
    566,238.58/781,376.76 = 311,589.77/x
  3. Step 3: Cross multiply
    566,238.58x = 781,376.76 × 311,589.77
  4. Step 4: Simplify right side
    566,238.58x = 243,469,001,024.86
  5. Step 5: Solve for x
    x = 243,469,001,024.86/566,238.58
  6. Step 6: Final answer
    x = 429,976.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.