Home / 929,635.92-1,282,939.56-728,082

Finding the Fourth Proportional to 929,635.92, 1,282,939.56 and 728,082

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Solution

The fourth proportional to 929,635.92, 1,282,939.56 and 728,082 is: 1,004,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,635.92 : 1,282,939.56 = 728,082 : x
  2. Step 2: Convert to fraction form
    929,635.92/1,282,939.56 = 728,082/x
  3. Step 3: Cross multiply
    929,635.92x = 1,282,939.56 × 728,082
  4. Step 4: Simplify right side
    929,635.92x = 934,085,200,723.92
  5. Step 5: Solve for x
    x = 934,085,200,723.92/929,635.92
  6. Step 6: Final answer
    x = 1,004,786.05

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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.