Home / 790,187.97-1,090,459.40-427,611.83

Finding the Fourth Proportional to 790,187.97, 1,090,459.40 and 427,611.83

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Solution

The fourth proportional to 790,187.97, 1,090,459.40 and 427,611.83 is: 590,104.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,187.97 : 1,090,459.40 = 427,611.83 : x
  2. Step 2: Convert to fraction form
    790,187.97/1,090,459.40 = 427,611.83/x
  3. Step 3: Cross multiply
    790,187.97x = 1,090,459.40 × 427,611.83
  4. Step 4: Simplify right side
    790,187.97x = 466,293,339,574.70
  5. Step 5: Solve for x
    x = 466,293,339,574.70/790,187.97
  6. Step 6: Final answer
    x = 590,104.33

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1.5x scale

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.