Home / 930,605.80-1,397,220.90-576,311.80

Finding the Fourth Proportional to 930,605.80, 1,397,220.90 and 576,311.80

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Solution

The fourth proportional to 930,605.80, 1,397,220.90 and 576,311.80 is: 865,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,605.80 : 1,397,220.90 = 576,311.80 : x
  2. Step 2: Convert to fraction form
    930,605.80/1,397,220.90 = 576,311.80/x
  3. Step 3: Cross multiply
    930,605.80x = 1,397,220.90 × 576,311.80
  4. Step 4: Simplify right side
    930,605.80x = 805,234,891,876.62
  5. Step 5: Solve for x
    x = 805,234,891,876.62/930,605.80
  6. Step 6: Final answer
    x = 865,280.33

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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.