Home / 1,117,513.76-1,542,168.98-608,219.78

Finding the Fourth Proportional to 1,117,513.76, 1,542,168.98 and 608,219.78

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Solution

The fourth proportional to 1,117,513.76, 1,542,168.98 and 608,219.78 is: 839,343.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,513.76 : 1,542,168.98 = 608,219.78 : x
  2. Step 2: Convert to fraction form
    1,117,513.76/1,542,168.98 = 608,219.78/x
  3. Step 3: Cross multiply
    1,117,513.76x = 1,542,168.98 × 608,219.78
  4. Step 4: Simplify right side
    1,117,513.76x = 937,977,677,738.43
  5. Step 5: Solve for x
    x = 937,977,677,738.43/1,117,513.76
  6. Step 6: Final answer
    x = 839,343.29

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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.