Home / 1,328,247-1,832,979.06-724,635

Finding the Fourth Proportional to 1,328,247, 1,832,979.06 and 724,635

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Solution

The fourth proportional to 1,328,247, 1,832,979.06 and 724,635 is: 999,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,247 : 1,832,979.06 = 724,635 : x
  2. Step 2: Convert to fraction form
    1,328,247/1,832,979.06 = 724,635/x
  3. Step 3: Cross multiply
    1,328,247x = 1,832,979.06 × 724,635
  4. Step 4: Simplify right side
    1,328,247x = 1,328,240,781,143.10
  5. Step 5: Solve for x
    x = 1,328,240,781,143.10/1,328,247
  6. Step 6: Final answer
    x = 999,995.32

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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.