Home / 896,263.85-1,236,828.48-488,369.09

Finding the Fourth Proportional to 896,263.85, 1,236,828.48 and 488,369.09

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Solution

The fourth proportional to 896,263.85, 1,236,828.48 and 488,369.09 is: 673,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,263.85 : 1,236,828.48 = 488,369.09 : x
  2. Step 2: Convert to fraction form
    896,263.85/1,236,828.48 = 488,369.09/x
  3. Step 3: Cross multiply
    896,263.85x = 1,236,828.48 × 488,369.09
  4. Step 4: Simplify right side
    896,263.85x = 604,028,799,263.68
  5. Step 5: Solve for x
    x = 604,028,799,263.68/896,263.85
  6. Step 6: Final answer
    x = 673,940.83

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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.