Home / 1,080,665.84-1,491,321.23-590,643.21

Finding the Fourth Proportional to 1,080,665.84, 1,491,321.23 and 590,643.21

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Solution

The fourth proportional to 1,080,665.84, 1,491,321.23 and 590,643.21 is: 815,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,665.84 : 1,491,321.23 = 590,643.21 : x
  2. Step 2: Convert to fraction form
    1,080,665.84/1,491,321.23 = 590,643.21/x
  3. Step 3: Cross multiply
    1,080,665.84x = 1,491,321.23 × 590,643.21
  4. Step 4: Simplify right side
    1,080,665.84x = 880,838,759,904.96
  5. Step 5: Solve for x
    x = 880,838,759,904.96/1,080,665.84
  6. Step 6: Final answer
    x = 815,088.93

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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.