Home / 791,990.09-1,186,047.53-715,226.42

Finding the Fourth Proportional to 791,990.09, 1,186,047.53 and 715,226.42

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Solution

The fourth proportional to 791,990.09, 1,186,047.53 and 715,226.42 is: 1,071,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,990.09 : 1,186,047.53 = 715,226.42 : x
  2. Step 2: Convert to fraction form
    791,990.09/1,186,047.53 = 715,226.42/x
  3. Step 3: Cross multiply
    791,990.09x = 1,186,047.53 × 715,226.42
  4. Step 4: Simplify right side
    791,990.09x = 848,292,530,902.83
  5. Step 5: Solve for x
    x = 848,292,530,902.83/791,990.09
  6. Step 6: Final answer
    x = 1,071,089.83

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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.