Home / 791,888.13-1,091,596.23-485,396.55

Finding the Fourth Proportional to 791,888.13, 1,091,596.23 and 485,396.55

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Solution

The fourth proportional to 791,888.13, 1,091,596.23 and 485,396.55 is: 669,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,888.13 : 1,091,596.23 = 485,396.55 : x
  2. Step 2: Convert to fraction form
    791,888.13/1,091,596.23 = 485,396.55/x
  3. Step 3: Cross multiply
    791,888.13x = 1,091,596.23 × 485,396.55
  4. Step 4: Simplify right side
    791,888.13x = 529,857,044,035.01
  5. Step 5: Solve for x
    x = 529,857,044,035.01/791,888.13
  6. Step 6: Final answer
    x = 669,105.93

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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.