Home / 1,090,724.13-1,505,261.39-655,274.66

Finding the Fourth Proportional to 1,090,724.13, 1,505,261.39 and 655,274.66

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Solution

The fourth proportional to 1,090,724.13, 1,505,261.39 and 655,274.66 is: 904,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,724.13 : 1,505,261.39 = 655,274.66 : x
  2. Step 2: Convert to fraction form
    1,090,724.13/1,505,261.39 = 655,274.66/x
  3. Step 3: Cross multiply
    1,090,724.13x = 1,505,261.39 × 655,274.66
  4. Step 4: Simplify right side
    1,090,724.13x = 986,359,634,740.70
  5. Step 5: Solve for x
    x = 986,359,634,740.70/1,090,724.13
  6. Step 6: Final answer
    x = 904,316.32

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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.