Home / 1,285,932.30-1,774,695.21-713,157

Finding the Fourth Proportional to 1,285,932.30, 1,774,695.21 and 713,157

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Solution

The fourth proportional to 1,285,932.30, 1,774,695.21 and 713,157 is: 984,216.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,932.30 : 1,774,695.21 = 713,157 : x
  2. Step 2: Convert to fraction form
    1,285,932.30/1,774,695.21 = 713,157/x
  3. Step 3: Cross multiply
    1,285,932.30x = 1,774,695.21 × 713,157
  4. Step 4: Simplify right side
    1,285,932.30x = 1,265,636,311,877.97
  5. Step 5: Solve for x
    x = 1,265,636,311,877.97/1,285,932.30
  6. Step 6: Final answer
    x = 984,216.91

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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.