Home / 1,174,355.60-1,620,556.56-665,061.68

Finding the Fourth Proportional to 1,174,355.60, 1,620,556.56 and 665,061.68

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Solution

The fourth proportional to 1,174,355.60, 1,620,556.56 and 665,061.68 is: 917,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,355.60 : 1,620,556.56 = 665,061.68 : x
  2. Step 2: Convert to fraction form
    1,174,355.60/1,620,556.56 = 665,061.68/x
  3. Step 3: Cross multiply
    1,174,355.60x = 1,620,556.56 × 665,061.68
  4. Step 4: Simplify right side
    1,174,355.60x = 1,077,770,068,328.62
  5. Step 5: Solve for x
    x = 1,077,770,068,328.62/1,174,355.60
  6. Step 6: Final answer
    x = 917,754.44

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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.