Home / 1,200,692.80-1,656,995.52-684,437.48

Finding the Fourth Proportional to 1,200,692.80, 1,656,995.52 and 684,437.48

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Solution

The fourth proportional to 1,200,692.80, 1,656,995.52 and 684,437.48 is: 944,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,692.80 : 1,656,995.52 = 684,437.48 : x
  2. Step 2: Convert to fraction form
    1,200,692.80/1,656,995.52 = 684,437.48/x
  3. Step 3: Cross multiply
    1,200,692.80x = 1,656,995.52 × 684,437.48
  4. Step 4: Simplify right side
    1,200,692.80x = 1,134,109,826,372.92
  5. Step 5: Solve for x
    x = 1,134,109,826,372.92/1,200,692.80
  6. Step 6: Final answer
    x = 944,546.21

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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.