Home / 930,901.68-1,396,339.56-299,818.80

Finding the Fourth Proportional to 930,901.68, 1,396,339.56 and 299,818.80

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Solution

The fourth proportional to 930,901.68, 1,396,339.56 and 299,818.80 is: 449,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,901.68 : 1,396,339.56 = 299,818.80 : x
  2. Step 2: Convert to fraction form
    930,901.68/1,396,339.56 = 299,818.80/x
  3. Step 3: Cross multiply
    930,901.68x = 1,396,339.56 × 299,818.80
  4. Step 4: Simplify right side
    930,901.68x = 418,648,851,271.73
  5. Step 5: Solve for x
    x = 418,648,851,271.73/930,901.68
  6. Step 6: Final answer
    x = 449,724.03

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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.