Home / 519,885.20-779,244.60-295,353.20

Finding the Fourth Proportional to 519,885.20, 779,244.60 and 295,353.20

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Solution

The fourth proportional to 519,885.20, 779,244.60 and 295,353.20 is: 442,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,885.20 : 779,244.60 = 295,353.20 : x
  2. Step 2: Convert to fraction form
    519,885.20/779,244.60 = 295,353.20/x
  3. Step 3: Cross multiply
    519,885.20x = 779,244.60 × 295,353.20
  4. Step 4: Simplify right side
    519,885.20x = 230,152,386,192.72
  5. Step 5: Solve for x
    x = 230,152,386,192.72/519,885.20
  6. Step 6: Final answer
    x = 442,698.48

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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.