Home / 983,764.58-1,356,974.17-677,308.91

Finding the Fourth Proportional to 983,764.58, 1,356,974.17 and 677,308.91

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Solution

The fourth proportional to 983,764.58, 1,356,974.17 and 677,308.91 is: 934,258.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,764.58 : 1,356,974.17 = 677,308.91 : x
  2. Step 2: Convert to fraction form
    983,764.58/1,356,974.17 = 677,308.91/x
  3. Step 3: Cross multiply
    983,764.58x = 1,356,974.17 × 677,308.91
  4. Step 4: Simplify right side
    983,764.58x = 919,090,687,502.71
  5. Step 5: Solve for x
    x = 919,090,687,502.71/983,764.58
  6. Step 6: Final answer
    x = 934,258.78

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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.