Home / 896,278.19-1,236,847.86-488,383.56

Finding the Fourth Proportional to 896,278.19, 1,236,847.86 and 488,383.56

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Solution

The fourth proportional to 896,278.19, 1,236,847.86 and 488,383.56 is: 673,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,278.19 : 1,236,847.86 = 488,383.56 : x
  2. Step 2: Convert to fraction form
    896,278.19/1,236,847.86 = 488,383.56/x
  3. Step 3: Cross multiply
    896,278.19x = 1,236,847.86 × 488,383.56
  4. Step 4: Simplify right side
    896,278.19x = 604,056,161,045.18
  5. Step 5: Solve for x
    x = 604,056,161,045.18/896,278.19
  6. Step 6: Final answer
    x = 673,960.58

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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.