Home / 1,151,720.20-1,726,802.70-612,065.80

Finding the Fourth Proportional to 1,151,720.20, 1,726,802.70 and 612,065.80

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Solution

The fourth proportional to 1,151,720.20, 1,726,802.70 and 612,065.80 is: 917,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,720.20 : 1,726,802.70 = 612,065.80 : x
  2. Step 2: Convert to fraction form
    1,151,720.20/1,726,802.70 = 612,065.80/x
  3. Step 3: Cross multiply
    1,151,720.20x = 1,726,802.70 × 612,065.80
  4. Step 4: Simplify right side
    1,151,720.20x = 1,056,916,876,017.66
  5. Step 5: Solve for x
    x = 1,056,916,876,017.66/1,151,720.20
  6. Step 6: Final answer
    x = 917,685.46

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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.