Home / 1,252,204.72-1,728,042.78-708,328.96

Finding the Fourth Proportional to 1,252,204.72, 1,728,042.78 and 708,328.96

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Solution

The fourth proportional to 1,252,204.72, 1,728,042.78 and 708,328.96 is: 977,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,204.72 : 1,728,042.78 = 708,328.96 : x
  2. Step 2: Convert to fraction form
    1,252,204.72/1,728,042.78 = 708,328.96/x
  3. Step 3: Cross multiply
    1,252,204.72x = 1,728,042.78 × 708,328.96
  4. Step 4: Simplify right side
    1,252,204.72x = 1,224,022,745,192.91
  5. Step 5: Solve for x
    x = 1,224,022,745,192.91/1,252,204.72
  6. Step 6: Final answer
    x = 977,494.12

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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.