Home / 395,327.87-545,329.75-250,088.59

Finding the Fourth Proportional to 395,327.87, 545,329.75 and 250,088.59

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Solution

The fourth proportional to 395,327.87, 545,329.75 and 250,088.59 is: 344,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,327.87 : 545,329.75 = 250,088.59 : x
  2. Step 2: Convert to fraction form
    395,327.87/545,329.75 = 250,088.59/x
  3. Step 3: Cross multiply
    395,327.87x = 545,329.75 × 250,088.59
  4. Step 4: Simplify right side
    395,327.87x = 136,380,748,787.91
  5. Step 5: Solve for x
    x = 136,380,748,787.91/395,327.87
  6. Step 6: Final answer
    x = 344,981.37

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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.