Home / 1,171,733.28-1,616,977.37-688,342.49

Finding the Fourth Proportional to 1,171,733.28, 1,616,977.37 and 688,342.49

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Solution

The fourth proportional to 1,171,733.28, 1,616,977.37 and 688,342.49 is: 949,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,733.28 : 1,616,977.37 = 688,342.49 : x
  2. Step 2: Convert to fraction form
    1,171,733.28/1,616,977.37 = 688,342.49/x
  3. Step 3: Cross multiply
    1,171,733.28x = 1,616,977.37 × 688,342.49
  4. Step 4: Simplify right side
    1,171,733.28x = 1,113,034,217,612.85
  5. Step 5: Solve for x
    x = 1,113,034,217,612.85/1,171,733.28
  6. Step 6: Final answer
    x = 949,904.08

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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.