Home / 928,280.05-1,392,439.51-297,192.04

Finding the Fourth Proportional to 928,280.05, 1,392,439.51 and 297,192.04

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Solution

The fourth proportional to 928,280.05, 1,392,439.51 and 297,192.04 is: 445,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,280.05 : 1,392,439.51 = 297,192.04 : x
  2. Step 2: Convert to fraction form
    928,280.05/1,392,439.51 = 297,192.04/x
  3. Step 3: Cross multiply
    928,280.05x = 1,392,439.51 × 297,192.04
  4. Step 4: Simplify right side
    928,280.05x = 413,821,935,443.89
  5. Step 5: Solve for x
    x = 413,821,935,443.89/928,280.05
  6. Step 6: Final answer
    x = 445,794.28

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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.