Home / 827,367.30-1,141,815.63-623,057.76

Finding the Fourth Proportional to 827,367.30, 1,141,815.63 and 623,057.76

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Solution

The fourth proportional to 827,367.30, 1,141,815.63 and 623,057.76 is: 859,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,367.30 : 1,141,815.63 = 623,057.76 : x
  2. Step 2: Convert to fraction form
    827,367.30/1,141,815.63 = 623,057.76/x
  3. Step 3: Cross multiply
    827,367.30x = 1,141,815.63 × 623,057.76
  4. Step 4: Simplify right side
    827,367.30x = 711,417,088,760.79
  5. Step 5: Solve for x
    x = 711,417,088,760.79/827,367.30
  6. Step 6: Final answer
    x = 859,856.43

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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.