Home / 808,897.80-1,213,605.90-542,958.60

Finding the Fourth Proportional to 808,897.80, 1,213,605.90 and 542,958.60

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Solution

The fourth proportional to 808,897.80, 1,213,605.90 and 542,958.60 is: 814,611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,897.80 : 1,213,605.90 = 542,958.60 : x
  2. Step 2: Convert to fraction form
    808,897.80/1,213,605.90 = 542,958.60/x
  3. Step 3: Cross multiply
    808,897.80x = 1,213,605.90 × 542,958.60
  4. Step 4: Simplify right side
    808,897.80x = 658,937,760,415.74
  5. Step 5: Solve for x
    x = 658,937,760,415.74/808,897.80
  6. Step 6: Final answer
    x = 814,611.88

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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.