Home / 1,133,607.44-1,564,362.89-643,572.51

Finding the Fourth Proportional to 1,133,607.44, 1,564,362.89 and 643,572.51

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Solution

The fourth proportional to 1,133,607.44, 1,564,362.89 and 643,572.51 is: 888,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,607.44 : 1,564,362.89 = 643,572.51 : x
  2. Step 2: Convert to fraction form
    1,133,607.44/1,564,362.89 = 643,572.51/x
  3. Step 3: Cross multiply
    1,133,607.44x = 1,564,362.89 × 643,572.51
  4. Step 4: Simplify right side
    1,133,607.44x = 1,006,780,951,668.15
  5. Step 5: Solve for x
    x = 1,006,780,951,668.15/1,133,607.44
  6. Step 6: Final answer
    x = 888,121.33

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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.