Home / 790,725.32-1,187,271.66-684,438.44

Finding the Fourth Proportional to 790,725.32, 1,187,271.66 and 684,438.44

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Solution

The fourth proportional to 790,725.32, 1,187,271.66 and 684,438.44 is: 1,027,682.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,725.32 : 1,187,271.66 = 684,438.44 : x
  2. Step 2: Convert to fraction form
    790,725.32/1,187,271.66 = 684,438.44/x
  3. Step 3: Cross multiply
    790,725.32x = 1,187,271.66 × 684,438.44
  4. Step 4: Simplify right side
    790,725.32x = 812,614,362,826.61
  5. Step 5: Solve for x
    x = 812,614,362,826.61/790,725.32
  6. Step 6: Final answer
    x = 1,027,682.23

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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.