Home / 1,187,900.56-1,781,692.75-335,040.70

Finding the Fourth Proportional to 1,187,900.56, 1,781,692.75 and 335,040.70

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Solution

The fourth proportional to 1,187,900.56, 1,781,692.75 and 335,040.70 is: 502,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,900.56 : 1,781,692.75 = 335,040.70 : x
  2. Step 2: Convert to fraction form
    1,187,900.56/1,781,692.75 = 335,040.70/x
  3. Step 3: Cross multiply
    1,187,900.56x = 1,781,692.75 × 335,040.70
  4. Step 4: Simplify right side
    1,187,900.56x = 596,939,577,236.46
  5. Step 5: Solve for x
    x = 596,939,577,236.46/1,187,900.56
  6. Step 6: Final answer
    x = 502,516.46

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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.