Home / 572,919.91-862,807.33-521,844.82

Finding the Fourth Proportional to 572,919.91, 862,807.33 and 521,844.82

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Solution

The fourth proportional to 572,919.91, 862,807.33 and 521,844.82 is: 785,889.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,919.91 : 862,807.33 = 521,844.82 : x
  2. Step 2: Convert to fraction form
    572,919.91/862,807.33 = 521,844.82/x
  3. Step 3: Cross multiply
    572,919.91x = 862,807.33 × 521,844.82
  4. Step 4: Simplify right side
    572,919.91x = 450,251,535,592.43
  5. Step 5: Solve for x
    x = 450,251,535,592.43/572,919.91
  6. Step 6: Final answer
    x = 785,889.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.