Home / 640,200.24-883,452.52-353,714.16

Finding the Fourth Proportional to 640,200.24, 883,452.52 and 353,714.16

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Solution

The fourth proportional to 640,200.24, 883,452.52 and 353,714.16 is: 488,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,200.24 : 883,452.52 = 353,714.16 : x
  2. Step 2: Convert to fraction form
    640,200.24/883,452.52 = 353,714.16/x
  3. Step 3: Cross multiply
    640,200.24x = 883,452.52 × 353,714.16
  4. Step 4: Simplify right side
    640,200.24x = 312,489,666,011.68
  5. Step 5: Solve for x
    x = 312,489,666,011.68/640,200.24
  6. Step 6: Final answer
    x = 488,112.38

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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.