Home / 896,215.30-1,236,761.47-488,320.53

Finding the Fourth Proportional to 896,215.30, 1,236,761.47 and 488,320.53

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Solution

The fourth proportional to 896,215.30, 1,236,761.47 and 488,320.53 is: 673,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,215.30 : 1,236,761.47 = 488,320.53 : x
  2. Step 2: Convert to fraction form
    896,215.30/1,236,761.47 = 488,320.53/x
  3. Step 3: Cross multiply
    896,215.30x = 1,236,761.47 × 488,320.53
  4. Step 4: Simplify right side
    896,215.30x = 603,936,016,513.98
  5. Step 5: Solve for x
    x = 603,936,016,513.98/896,215.30
  6. Step 6: Final answer
    x = 673,873.81

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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.