Home / 436,443.18-602,201.31-255,120.03

Finding the Fourth Proportional to 436,443.18, 602,201.31 and 255,120.03

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Solution

The fourth proportional to 436,443.18, 602,201.31 and 255,120.03 is: 352,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,443.18 : 602,201.31 = 255,120.03 : x
  2. Step 2: Convert to fraction form
    436,443.18/602,201.31 = 255,120.03/x
  3. Step 3: Cross multiply
    436,443.18x = 602,201.31 × 255,120.03
  4. Step 4: Simplify right side
    436,443.18x = 153,633,616,273.24
  5. Step 5: Solve for x
    x = 153,633,616,273.24/436,443.18
  6. Step 6: Final answer
    x = 352,012.87

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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.