Home / 966,731.20-1,450,096.80-612,145.60

Finding the Fourth Proportional to 966,731.20, 1,450,096.80 and 612,145.60

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Solution

The fourth proportional to 966,731.20, 1,450,096.80 and 612,145.60 is: 918,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,731.20 : 1,450,096.80 = 612,145.60 : x
  2. Step 2: Convert to fraction form
    966,731.20/1,450,096.80 = 612,145.60/x
  3. Step 3: Cross multiply
    966,731.20x = 1,450,096.80 × 612,145.60
  4. Step 4: Simplify right side
    966,731.20x = 887,670,375,694.08
  5. Step 5: Solve for x
    x = 887,670,375,694.08/966,731.20
  6. Step 6: Final answer
    x = 918,218.40

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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.