Home / 1,168,128.59-1,611,712.82-684,433.85

Finding the Fourth Proportional to 1,168,128.59, 1,611,712.82 and 684,433.85

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Solution

The fourth proportional to 1,168,128.59, 1,611,712.82 and 684,433.85 is: 944,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,128.59 : 1,611,712.82 = 684,433.85 : x
  2. Step 2: Convert to fraction form
    1,168,128.59/1,611,712.82 = 684,433.85/x
  3. Step 3: Cross multiply
    1,168,128.59x = 1,611,712.82 × 684,433.85
  4. Step 4: Simplify right side
    1,168,128.59x = 1,103,110,804,139.48
  5. Step 5: Solve for x
    x = 1,103,110,804,139.48/1,168,128.59
  6. Step 6: Final answer
    x = 944,340.22

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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.