Home / 519,823.13-717,358.07-281,359.13

Finding the Fourth Proportional to 519,823.13, 717,358.07 and 281,359.13

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Solution

The fourth proportional to 519,823.13, 717,358.07 and 281,359.13 is: 388,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,823.13 : 717,358.07 = 281,359.13 : x
  2. Step 2: Convert to fraction form
    519,823.13/717,358.07 = 281,359.13/x
  3. Step 3: Cross multiply
    519,823.13x = 717,358.07 × 281,359.13
  4. Step 4: Simplify right side
    519,823.13x = 201,835,239,590.29
  5. Step 5: Solve for x
    x = 201,835,239,590.29/519,823.13
  6. Step 6: Final answer
    x = 388,276.76

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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.