Home / 824,814.31-1,237,415.06-256,165.96

Finding the Fourth Proportional to 824,814.31, 1,237,415.06 and 256,165.96

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Solution

The fourth proportional to 824,814.31, 1,237,415.06 and 256,165.96 is: 384,309.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,814.31 : 1,237,415.06 = 256,165.96 : x
  2. Step 2: Convert to fraction form
    824,814.31/1,237,415.06 = 256,165.96/x
  3. Step 3: Cross multiply
    824,814.31x = 1,237,415.06 × 256,165.96
  4. Step 4: Simplify right side
    824,814.31x = 316,983,616,763.36
  5. Step 5: Solve for x
    x = 316,983,616,763.36/824,814.31
  6. Step 6: Final answer
    x = 384,309.07

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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.