Home / 792,090-1,187,085.24-659,820.24

Finding the Fourth Proportional to 792,090, 1,187,085.24 and 659,820.24

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Solution

The fourth proportional to 792,090, 1,187,085.24 and 659,820.24 is: 988,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,090 : 1,187,085.24 = 659,820.24 : x
  2. Step 2: Convert to fraction form
    792,090/1,187,085.24 = 659,820.24/x
  3. Step 3: Cross multiply
    792,090x = 1,187,085.24 × 659,820.24
  4. Step 4: Simplify right side
    792,090x = 783,262,867,957.26
  5. Step 5: Solve for x
    x = 783,262,867,957.26/792,090
  6. Step 6: Final answer
    x = 988,855.90

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1.5x scale

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.