Home / 400,729.54-601,315.66-223,336.52

Finding the Fourth Proportional to 400,729.54, 601,315.66 and 223,336.52

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Solution

The fourth proportional to 400,729.54, 601,315.66 and 223,336.52 is: 335,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,729.54 : 601,315.66 = 223,336.52 : x
  2. Step 2: Convert to fraction form
    400,729.54/601,315.66 = 223,336.52/x
  3. Step 3: Cross multiply
    400,729.54x = 601,315.66 × 223,336.52
  4. Step 4: Simplify right side
    400,729.54x = 134,295,746,925.90
  5. Step 5: Solve for x
    x = 134,295,746,925.90/400,729.54
  6. Step 6: Final answer
    x = 335,128.14

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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.