Home / 896,405.00-1,237,039.11-488,506.95

Finding the Fourth Proportional to 896,405.00, 1,237,039.11 and 488,506.95

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Solution

The fourth proportional to 896,405.00, 1,237,039.11 and 488,506.95 is: 674,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,405.00 : 1,237,039.11 = 488,506.95 : x
  2. Step 2: Convert to fraction form
    896,405.00/1,237,039.11 = 488,506.95/x
  3. Step 3: Cross multiply
    896,405.00x = 1,237,039.11 × 488,506.95
  4. Step 4: Simplify right side
    896,405.00x = 604,302,202,656.82
  5. Step 5: Solve for x
    x = 604,302,202,656.82/896,405.00
  6. Step 6: Final answer
    x = 674,139.71

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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.