Home / 426,122.64-587,827.80-345,641.04

Finding the Fourth Proportional to 426,122.64, 587,827.80 and 345,641.04

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Solution

The fourth proportional to 426,122.64, 587,827.80 and 345,641.04 is: 476,805.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,122.64 : 587,827.80 = 345,641.04 : x
  2. Step 2: Convert to fraction form
    426,122.64/587,827.80 = 345,641.04/x
  3. Step 3: Cross multiply
    426,122.64x = 587,827.80 × 345,641.04
  4. Step 4: Simplify right side
    426,122.64x = 203,177,412,132.91
  5. Step 5: Solve for x
    x = 203,177,412,132.91/426,122.64
  6. Step 6: Final answer
    x = 476,805.02

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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.