Home / 1,170,533.30-1,615,311.32-654,272.78

Finding the Fourth Proportional to 1,170,533.30, 1,615,311.32 and 654,272.78

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Solution

The fourth proportional to 1,170,533.30, 1,615,311.32 and 654,272.78 is: 902,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,533.30 : 1,615,311.32 = 654,272.78 : x
  2. Step 2: Convert to fraction form
    1,170,533.30/1,615,311.32 = 654,272.78/x
  3. Step 3: Cross multiply
    1,170,533.30x = 1,615,311.32 × 654,272.78
  4. Step 4: Simplify right side
    1,170,533.30x = 1,056,854,216,553.95
  5. Step 5: Solve for x
    x = 1,056,854,216,553.95/1,170,533.30
  6. Step 6: Final answer
    x = 902,882.66

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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.