Home / 862,540.64-1,294,411.20-357,104.24

Finding the Fourth Proportional to 862,540.64, 1,294,411.20 and 357,104.24

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Solution

The fourth proportional to 862,540.64, 1,294,411.20 and 357,104.24 is: 535,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,540.64 : 1,294,411.20 = 357,104.24 : x
  2. Step 2: Convert to fraction form
    862,540.64/1,294,411.20 = 357,104.24/x
  3. Step 3: Cross multiply
    862,540.64x = 1,294,411.20 × 357,104.24
  4. Step 4: Simplify right side
    862,540.64x = 462,239,727,823.49
  5. Step 5: Solve for x
    x = 462,239,727,823.49/862,540.64
  6. Step 6: Final answer
    x = 535,904.87

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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.