Home / 862,098.03-1,189,695.31-480,124.81

Finding the Fourth Proportional to 862,098.03, 1,189,695.31 and 480,124.81

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Solution

The fourth proportional to 862,098.03, 1,189,695.31 and 480,124.81 is: 662,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,098.03 : 1,189,695.31 = 480,124.81 : x
  2. Step 2: Convert to fraction form
    862,098.03/1,189,695.31 = 480,124.81/x
  3. Step 3: Cross multiply
    862,098.03x = 1,189,695.31 × 480,124.81
  4. Step 4: Simplify right side
    862,098.03x = 571,202,234,797.08
  5. Step 5: Solve for x
    x = 571,202,234,797.08/862,098.03
  6. Step 6: Final answer
    x = 662,572.25

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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.