Home / 522,934.37-784,298.28-143,757.27

Finding the Fourth Proportional to 522,934.37, 784,298.28 and 143,757.27

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Solution

The fourth proportional to 522,934.37, 784,298.28 and 143,757.27 is: 215,607.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,934.37 : 784,298.28 = 143,757.27 : x
  2. Step 2: Convert to fraction form
    522,934.37/784,298.28 = 143,757.27/x
  3. Step 3: Cross multiply
    522,934.37x = 784,298.28 × 143,757.27
  4. Step 4: Simplify right side
    522,934.37x = 112,748,579,598.50
  5. Step 5: Solve for x
    x = 112,748,579,598.50/522,934.37
  6. Step 6: Final answer
    x = 215,607.51

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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.