Home / 1,689,866.92-2,331,979.62-925,903.72

Finding the Fourth Proportional to 1,689,866.92, 2,331,979.62 and 925,903.72

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Solution

The fourth proportional to 1,689,866.92, 2,331,979.62 and 925,903.72 is: 1,277,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,866.92 : 2,331,979.62 = 925,903.72 : x
  2. Step 2: Convert to fraction form
    1,689,866.92/2,331,979.62 = 925,903.72/x
  3. Step 3: Cross multiply
    1,689,866.92x = 2,331,979.62 × 925,903.72
  4. Step 4: Simplify right side
    1,689,866.92x = 2,159,188,605,122.19
  5. Step 5: Solve for x
    x = 2,159,188,605,122.19/1,689,866.92
  6. Step 6: Final answer
    x = 1,277,727.01

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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.