Home / 841,990.80-1,262,986.20-576,270.30

Finding the Fourth Proportional to 841,990.80, 1,262,986.20 and 576,270.30

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Solution

The fourth proportional to 841,990.80, 1,262,986.20 and 576,270.30 is: 864,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,990.80 : 1,262,986.20 = 576,270.30 : x
  2. Step 2: Convert to fraction form
    841,990.80/1,262,986.20 = 576,270.30/x
  3. Step 3: Cross multiply
    841,990.80x = 1,262,986.20 × 576,270.30
  4. Step 4: Simplify right side
    841,990.80x = 727,821,436,369.86
  5. Step 5: Solve for x
    x = 727,821,436,369.86/841,990.80
  6. Step 6: Final answer
    x = 864,405.45

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Similar ratio
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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.