Home / 774,335.70-1,162,242.35-475,400.13

Finding the Fourth Proportional to 774,335.70, 1,162,242.35 and 475,400.13

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Solution

The fourth proportional to 774,335.70, 1,162,242.35 and 475,400.13 is: 713,553.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,335.70 : 1,162,242.35 = 475,400.13 : x
  2. Step 2: Convert to fraction form
    774,335.70/1,162,242.35 = 475,400.13/x
  3. Step 3: Cross multiply
    774,335.70x = 1,162,242.35 × 475,400.13
  4. Step 4: Simplify right side
    774,335.70x = 552,530,161,904.51
  5. Step 5: Solve for x
    x = 552,530,161,904.51/774,335.70
  6. Step 6: Final answer
    x = 713,553.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.