Home / 497,741.20-746,028.60-372,936.40

Finding the Fourth Proportional to 497,741.20, 746,028.60 and 372,936.40

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Solution

The fourth proportional to 497,741.20, 746,028.60 and 372,936.40 is: 558,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,741.20 : 746,028.60 = 372,936.40 : x
  2. Step 2: Convert to fraction form
    497,741.20/746,028.60 = 372,936.40/x
  3. Step 3: Cross multiply
    497,741.20x = 746,028.60 × 372,936.40
  4. Step 4: Simplify right side
    497,741.20x = 278,221,220,381.04
  5. Step 5: Solve for x
    x = 278,221,220,381.04/497,741.20
  6. Step 6: Final answer
    x = 558,967.63

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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.