Home / 545,125.20-816,132.60-335,173.20

Finding the Fourth Proportional to 545,125.20, 816,132.60 and 335,173.20

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Solution

The fourth proportional to 545,125.20, 816,132.60 and 335,173.20 is: 501,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,125.20 : 816,132.60 = 335,173.20 : x
  2. Step 2: Convert to fraction form
    545,125.20/816,132.60 = 335,173.20/x
  3. Step 3: Cross multiply
    545,125.20x = 816,132.60 × 335,173.20
  4. Step 4: Simplify right side
    545,125.20x = 273,545,775,166.32
  5. Step 5: Solve for x
    x = 273,545,775,166.32/545,125.20
  6. Step 6: Final answer
    x = 501,803.58

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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.