Home / 1,254,618.36-1,731,381.12-681,658.20

Finding the Fourth Proportional to 1,254,618.36, 1,731,381.12 and 681,658.20

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Solution

The fourth proportional to 1,254,618.36, 1,731,381.12 and 681,658.20 is: 940,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,618.36 : 1,731,381.12 = 681,658.20 : x
  2. Step 2: Convert to fraction form
    1,254,618.36/1,731,381.12 = 681,658.20/x
  3. Step 3: Cross multiply
    1,254,618.36x = 1,731,381.12 × 681,658.20
  4. Step 4: Simplify right side
    1,254,618.36x = 1,180,210,137,773.18
  5. Step 5: Solve for x
    x = 1,180,210,137,773.18/1,254,618.36
  6. Step 6: Final answer
    x = 940,692.54

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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.