Home / 983,800.65-1,474,422.80-443,660.25

Finding the Fourth Proportional to 983,800.65, 1,474,422.80 and 443,660.25

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Solution

The fourth proportional to 983,800.65, 1,474,422.80 and 443,660.25 is: 664,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,800.65 : 1,474,422.80 = 443,660.25 : x
  2. Step 2: Convert to fraction form
    983,800.65/1,474,422.80 = 443,660.25/x
  3. Step 3: Cross multiply
    983,800.65x = 1,474,422.80 × 443,660.25
  4. Step 4: Simplify right side
    983,800.65x = 654,142,788,053.70
  5. Step 5: Solve for x
    x = 654,142,788,053.70/983,800.65
  6. Step 6: Final answer
    x = 664,913.96

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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.