Home / 519,814.20-779,834.70-295,282.20

Finding the Fourth Proportional to 519,814.20, 779,834.70 and 295,282.20

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Solution

The fourth proportional to 519,814.20, 779,834.70 and 295,282.20 is: 442,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,814.20 : 779,834.70 = 295,282.20 : x
  2. Step 2: Convert to fraction form
    519,814.20/779,834.70 = 295,282.20/x
  3. Step 3: Cross multiply
    519,814.20x = 779,834.70 × 295,282.20
  4. Step 4: Simplify right side
    519,814.20x = 230,271,305,852.34
  5. Step 5: Solve for x
    x = 230,271,305,852.34/519,814.20
  6. Step 6: Final answer
    x = 442,987.72

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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.