Home / 1,085,521.34-1,497,039.08-677,661.02

Finding the Fourth Proportional to 1,085,521.34, 1,497,039.08 and 677,661.02

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Solution

The fourth proportional to 1,085,521.34, 1,497,039.08 and 677,661.02 is: 934,560.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,521.34 : 1,497,039.08 = 677,661.02 : x
  2. Step 2: Convert to fraction form
    1,085,521.34/1,497,039.08 = 677,661.02/x
  3. Step 3: Cross multiply
    1,085,521.34x = 1,497,039.08 × 677,661.02
  4. Step 4: Simplify right side
    1,085,521.34x = 1,014,485,029,932.66
  5. Step 5: Solve for x
    x = 1,014,485,029,932.66/1,085,521.34
  6. Step 6: Final answer
    x = 934,560.19

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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.