Home / 765,669-1,148,415.93-204,747.24

Finding the Fourth Proportional to 765,669, 1,148,415.93 and 204,747.24

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Solution

The fourth proportional to 765,669, 1,148,415.93 and 204,747.24 is: 307,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,669 : 1,148,415.93 = 204,747.24 : x
  2. Step 2: Convert to fraction form
    765,669/1,148,415.93 = 204,747.24/x
  3. Step 3: Cross multiply
    765,669x = 1,148,415.93 × 204,747.24
  4. Step 4: Simplify right side
    765,669x = 235,134,992,039.53
  5. Step 5: Solve for x
    x = 235,134,992,039.53/765,669
  6. Step 6: Final answer
    x = 307,097.44

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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.