Home / 1,416,644.73-2,125,593.14-742,564.86

Finding the Fourth Proportional to 1,416,644.73, 2,125,593.14 and 742,564.86

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Solution

The fourth proportional to 1,416,644.73, 2,125,593.14 and 742,564.86 is: 1,114,175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,644.73 : 2,125,593.14 = 742,564.86 : x
  2. Step 2: Convert to fraction form
    1,416,644.73/2,125,593.14 = 742,564.86/x
  3. Step 3: Cross multiply
    1,416,644.73x = 2,125,593.14 × 742,564.86
  4. Step 4: Simplify right side
    1,416,644.73x = 1,578,390,768,708.24
  5. Step 5: Solve for x
    x = 1,578,390,768,708.24/1,416,644.73
  6. Step 6: Final answer
    x = 1,114,175.44

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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.