Home / 862,850.58-1,294,156.06-457,865.58

Finding the Fourth Proportional to 862,850.58, 1,294,156.06 and 457,865.58

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Solution

The fourth proportional to 862,850.58, 1,294,156.06 and 457,865.58 is: 686,734.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,850.58 : 1,294,156.06 = 457,865.58 : x
  2. Step 2: Convert to fraction form
    862,850.58/1,294,156.06 = 457,865.58/x
  3. Step 3: Cross multiply
    862,850.58x = 1,294,156.06 × 457,865.58
  4. Step 4: Simplify right side
    862,850.58x = 592,549,515,022.42
  5. Step 5: Solve for x
    x = 592,549,515,022.42/862,850.58
  6. Step 6: Final answer
    x = 686,734.79

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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.