Home / 1,200,546.38-1,656,692.16-656,576.30

Finding the Fourth Proportional to 1,200,546.38, 1,656,692.16 and 656,576.30

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Solution

The fourth proportional to 1,200,546.38, 1,656,692.16 and 656,576.30 is: 906,041.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,546.38 : 1,656,692.16 = 656,576.30 : x
  2. Step 2: Convert to fraction form
    1,200,546.38/1,656,692.16 = 656,576.30/x
  3. Step 3: Cross multiply
    1,200,546.38x = 1,656,692.16 × 656,576.30
  4. Step 4: Simplify right side
    1,200,546.38x = 1,087,744,808,651.81
  5. Step 5: Solve for x
    x = 1,087,744,808,651.81/1,200,546.38
  6. Step 6: Final answer
    x = 906,041.47

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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.