Home / 805,830.55-1,208,329.86-237,137.81

Finding the Fourth Proportional to 805,830.55, 1,208,329.86 and 237,137.81

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Solution

The fourth proportional to 805,830.55, 1,208,329.86 and 237,137.81 is: 355,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,830.55 : 1,208,329.86 = 237,137.81 : x
  2. Step 2: Convert to fraction form
    805,830.55/1,208,329.86 = 237,137.81/x
  3. Step 3: Cross multiply
    805,830.55x = 1,208,329.86 × 237,137.81
  4. Step 4: Simplify right side
    805,830.55x = 286,540,696,758.01
  5. Step 5: Solve for x
    x = 286,540,696,758.01/805,830.55
  6. Step 6: Final answer
    x = 355,584.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.