Home / 930,521.92-1,284,018.24-522,541.12

Finding the Fourth Proportional to 930,521.92, 1,284,018.24 and 522,541.12

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Solution

The fourth proportional to 930,521.92, 1,284,018.24 and 522,541.12 is: 721,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,521.92 : 1,284,018.24 = 522,541.12 : x
  2. Step 2: Convert to fraction form
    930,521.92/1,284,018.24 = 522,541.12/x
  3. Step 3: Cross multiply
    930,521.92x = 1,284,018.24 × 522,541.12
  4. Step 4: Simplify right side
    930,521.92x = 670,952,329,230.03
  5. Step 5: Solve for x
    x = 670,952,329,230.03/930,521.92
  6. Step 6: Final answer
    x = 721,049.46

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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.