Home / 825,727.84-1,139,595.44-463,187.04

Finding the Fourth Proportional to 825,727.84, 1,139,595.44 and 463,187.04

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Solution

The fourth proportional to 825,727.84, 1,139,595.44 and 463,187.04 is: 639,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,727.84 : 1,139,595.44 = 463,187.04 : x
  2. Step 2: Convert to fraction form
    825,727.84/1,139,595.44 = 463,187.04/x
  3. Step 3: Cross multiply
    825,727.84x = 1,139,595.44 × 463,187.04
  4. Step 4: Simplify right side
    825,727.84x = 527,845,838,651.10
  5. Step 5: Solve for x
    x = 527,845,838,651.10/825,727.84
  6. Step 6: Final answer
    x = 639,249.17

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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.