Home / 520,110.60-779,628.30-282,952.20

Finding the Fourth Proportional to 520,110.60, 779,628.30 and 282,952.20

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Solution

The fourth proportional to 520,110.60, 779,628.30 and 282,952.20 is: 424,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,110.60 : 779,628.30 = 282,952.20 : x
  2. Step 2: Convert to fraction form
    520,110.60/779,628.30 = 282,952.20/x
  3. Step 3: Cross multiply
    520,110.60x = 779,628.30 × 282,952.20
  4. Step 4: Simplify right side
    520,110.60x = 220,597,542,667.26
  5. Step 5: Solve for x
    x = 220,597,542,667.26/520,110.60
  6. Step 6: Final answer
    x = 424,135.83

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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.