Home / 1,027,890.19-1,542,360.57-686,566.32

Finding the Fourth Proportional to 1,027,890.19, 1,542,360.57 and 686,566.32

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Solution

The fourth proportional to 1,027,890.19, 1,542,360.57 and 686,566.32 is: 1,030,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,890.19 : 1,542,360.57 = 686,566.32 : x
  2. Step 2: Convert to fraction form
    1,027,890.19/1,542,360.57 = 686,566.32/x
  3. Step 3: Cross multiply
    1,027,890.19x = 1,542,360.57 × 686,566.32
  4. Step 4: Simplify right side
    1,027,890.19x = 1,058,932,820,658.00
  5. Step 5: Solve for x
    x = 1,058,932,820,658.00/1,027,890.19
  6. Step 6: Final answer
    x = 1,030,200.34

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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.