Home / 1,836,712.20-2,754,455.96-771,555.72

Finding the Fourth Proportional to 1,836,712.20, 2,754,455.96 and 771,555.72

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Solution

The fourth proportional to 1,836,712.20, 2,754,455.96 and 771,555.72 is: 1,157,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,712.20 : 2,754,455.96 = 771,555.72 : x
  2. Step 2: Convert to fraction form
    1,836,712.20/2,754,455.96 = 771,555.72/x
  3. Step 3: Cross multiply
    1,836,712.20x = 2,754,455.96 × 771,555.72
  4. Step 4: Simplify right side
    1,836,712.20x = 2,125,216,251,426.09
  5. Step 5: Solve for x
    x = 2,125,216,251,426.09/1,836,712.20
  6. Step 6: Final answer
    x = 1,157,076.35

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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.