Home / 413,004.48-618,622.20-202,203.60

Finding the Fourth Proportional to 413,004.48, 618,622.20 and 202,203.60

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Solution

The fourth proportional to 413,004.48, 618,622.20 and 202,203.60 is: 302,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,004.48 : 618,622.20 = 202,203.60 : x
  2. Step 2: Convert to fraction form
    413,004.48/618,622.20 = 202,203.60/x
  3. Step 3: Cross multiply
    413,004.48x = 618,622.20 × 202,203.60
  4. Step 4: Simplify right side
    413,004.48x = 125,087,635,879.92
  5. Step 5: Solve for x
    x = 125,087,635,879.92/413,004.48
  6. Step 6: Final answer
    x = 302,872.35

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1.5x scale

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.