Home / 890,429.10-1,336,680.45-576,192.30

Finding the Fourth Proportional to 890,429.10, 1,336,680.45 and 576,192.30

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Solution

The fourth proportional to 890,429.10, 1,336,680.45 and 576,192.30 is: 864,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,429.10 : 1,336,680.45 = 576,192.30 : x
  2. Step 2: Convert to fraction form
    890,429.10/1,336,680.45 = 576,192.30/x
  3. Step 3: Cross multiply
    890,429.10x = 1,336,680.45 × 576,192.30
  4. Step 4: Simplify right side
    890,429.10x = 770,184,982,850.54
  5. Step 5: Solve for x
    x = 770,184,982,850.54/890,429.10
  6. Step 6: Final answer
    x = 864,959.36

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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.