Home / 1,151,720.70-1,726,803.45-612,066.30

Finding the Fourth Proportional to 1,151,720.70, 1,726,803.45 and 612,066.30

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Solution

The fourth proportional to 1,151,720.70, 1,726,803.45 and 612,066.30 is: 917,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,720.70 : 1,726,803.45 = 612,066.30 : x
  2. Step 2: Convert to fraction form
    1,151,720.70/1,726,803.45 = 612,066.30/x
  3. Step 3: Cross multiply
    1,151,720.70x = 1,726,803.45 × 612,066.30
  4. Step 4: Simplify right side
    1,151,720.70x = 1,056,918,198,468.74
  5. Step 5: Solve for x
    x = 1,056,918,198,468.74/1,151,720.70
  6. Step 6: Final answer
    x = 917,686.21

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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.