Home / 903,276.74-1,246,166.30-521,229.72

Finding the Fourth Proportional to 903,276.74, 1,246,166.30 and 521,229.72

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Solution

The fourth proportional to 903,276.74, 1,246,166.30 and 521,229.72 is: 719,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,276.74 : 1,246,166.30 = 521,229.72 : x
  2. Step 2: Convert to fraction form
    903,276.74/1,246,166.30 = 521,229.72/x
  3. Step 3: Cross multiply
    903,276.74x = 1,246,166.30 × 521,229.72
  4. Step 4: Simplify right side
    903,276.74x = 649,538,911,622.44
  5. Step 5: Solve for x
    x = 649,538,911,622.44/903,276.74
  6. Step 6: Final answer
    x = 719,091.82

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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.