Home / 862,096.18-1,189,729.63-480,122.96

Finding the Fourth Proportional to 862,096.18, 1,189,729.63 and 480,122.96

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Solution

The fourth proportional to 862,096.18, 1,189,729.63 and 480,122.96 is: 662,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,096.18 : 1,189,729.63 = 480,122.96 : x
  2. Step 2: Convert to fraction form
    862,096.18/1,189,729.63 = 480,122.96/x
  3. Step 3: Cross multiply
    862,096.18x = 1,189,729.63 × 480,122.96
  4. Step 4: Simplify right side
    862,096.18x = 571,216,511,555.31
  5. Step 5: Solve for x
    x = 571,216,511,555.31/862,096.18
  6. Step 6: Final answer
    x = 662,590.24

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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.