Home / 540,898.44-811,746.30-256,589.88

Finding the Fourth Proportional to 540,898.44, 811,746.30 and 256,589.88

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Solution

The fourth proportional to 540,898.44, 811,746.30 and 256,589.88 is: 385,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,898.44 : 811,746.30 = 256,589.88 : x
  2. Step 2: Convert to fraction form
    540,898.44/811,746.30 = 256,589.88/x
  3. Step 3: Cross multiply
    540,898.44x = 811,746.30 × 256,589.88
  4. Step 4: Simplify right side
    540,898.44x = 208,285,885,707.44
  5. Step 5: Solve for x
    x = 208,285,885,707.44/540,898.44
  6. Step 6: Final answer
    x = 385,073.93

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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.