Home / 896,214.80-1,236,760.78-488,320.02

Finding the Fourth Proportional to 896,214.80, 1,236,760.78 and 488,320.02

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Solution

The fourth proportional to 896,214.80, 1,236,760.78 and 488,320.02 is: 673,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,214.80 : 1,236,760.78 = 488,320.02 : x
  2. Step 2: Convert to fraction form
    896,214.80/1,236,760.78 = 488,320.02/x
  3. Step 3: Cross multiply
    896,214.80x = 1,236,760.78 × 488,320.02
  4. Step 4: Simplify right side
    896,214.80x = 603,935,048,824.82
  5. Step 5: Solve for x
    x = 603,935,048,824.82/896,214.80
  6. Step 6: Final answer
    x = 673,873.10

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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.