Home / 1,027,979.29-1,535,721.35-665,194.68

Finding the Fourth Proportional to 1,027,979.29, 1,535,721.35 and 665,194.68

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Solution

The fourth proportional to 1,027,979.29, 1,535,721.35 and 665,194.68 is: 993,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,979.29 : 1,535,721.35 = 665,194.68 : x
  2. Step 2: Convert to fraction form
    1,027,979.29/1,535,721.35 = 665,194.68/x
  3. Step 3: Cross multiply
    1,027,979.29x = 1,535,721.35 × 665,194.68
  4. Step 4: Simplify right side
    1,027,979.29x = 1,021,553,671,982.42
  5. Step 5: Solve for x
    x = 1,021,553,671,982.42/1,027,979.29
  6. Step 6: Final answer
    x = 993,749.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.