Home / 698,973.57-964,908.45-526,961.43

Finding the Fourth Proportional to 698,973.57, 964,908.45 and 526,961.43

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Solution

The fourth proportional to 698,973.57, 964,908.45 and 526,961.43 is: 727,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,973.57 : 964,908.45 = 526,961.43 : x
  2. Step 2: Convert to fraction form
    698,973.57/964,908.45 = 526,961.43/x
  3. Step 3: Cross multiply
    698,973.57x = 964,908.45 × 526,961.43
  4. Step 4: Simplify right side
    698,973.57x = 508,469,536,631.08
  5. Step 5: Solve for x
    x = 508,469,536,631.08/698,973.57
  6. Step 6: Final answer
    x = 727,451.74

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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.