Home / 940,385.84-1,298,618.16-654,687.14

Finding the Fourth Proportional to 940,385.84, 1,298,618.16 and 654,687.14

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Solution

The fourth proportional to 940,385.84, 1,298,618.16 and 654,687.14 is: 904,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,385.84 : 1,298,618.16 = 654,687.14 : x
  2. Step 2: Convert to fraction form
    940,385.84/1,298,618.16 = 654,687.14/x
  3. Step 3: Cross multiply
    940,385.84x = 1,298,618.16 × 654,687.14
  4. Step 4: Simplify right side
    940,385.84x = 850,188,609,122.46
  5. Step 5: Solve for x
    x = 850,188,609,122.46/940,385.84
  6. Step 6: Final answer
    x = 904,084.87

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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.