Home / 519,328.20-778,554.90-270,010.20

Finding the Fourth Proportional to 519,328.20, 778,554.90 and 270,010.20

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Solution

The fourth proportional to 519,328.20, 778,554.90 and 270,010.20 is: 404,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,328.20 : 778,554.90 = 270,010.20 : x
  2. Step 2: Convert to fraction form
    519,328.20/778,554.90 = 270,010.20/x
  3. Step 3: Cross multiply
    519,328.20x = 778,554.90 × 270,010.20
  4. Step 4: Simplify right side
    519,328.20x = 210,217,764,259.98
  5. Step 5: Solve for x
    x = 210,217,764,259.98/519,328.20
  6. Step 6: Final answer
    x = 404,787.89

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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.