Home / 519,743.13-717,245.52-281,279.13

Finding the Fourth Proportional to 519,743.13, 717,245.52 and 281,279.13

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Solution

The fourth proportional to 519,743.13, 717,245.52 and 281,279.13 is: 388,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,743.13 : 717,245.52 = 281,279.13 : x
  2. Step 2: Convert to fraction form
    519,743.13/717,245.52 = 281,279.13/x
  3. Step 3: Cross multiply
    519,743.13x = 717,245.52 × 281,279.13
  4. Step 4: Simplify right side
    519,743.13x = 201,746,190,869.37
  5. Step 5: Solve for x
    x = 201,746,190,869.37/519,743.13
  6. Step 6: Final answer
    x = 388,165.19

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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.