Home / 816,556.41-1,126,885.23-454,017.42

Finding the Fourth Proportional to 816,556.41, 1,126,885.23 and 454,017.42

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Solution

The fourth proportional to 816,556.41, 1,126,885.23 and 454,017.42 is: 626,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,556.41 : 1,126,885.23 = 454,017.42 : x
  2. Step 2: Convert to fraction form
    816,556.41/1,126,885.23 = 454,017.42/x
  3. Step 3: Cross multiply
    816,556.41x = 1,126,885.23 × 454,017.42
  4. Step 4: Simplify right side
    816,556.41x = 511,625,524,760.71
  5. Step 5: Solve for x
    x = 511,625,524,760.71/816,556.41
  6. Step 6: Final answer
    x = 626,564.83

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Double scale
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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.