Home / 579,825.08-869,819.61-180,506.15

Finding the Fourth Proportional to 579,825.08, 869,819.61 and 180,506.15

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Solution

The fourth proportional to 579,825.08, 869,819.61 and 180,506.15 is: 270,784.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,825.08 : 869,819.61 = 180,506.15 : x
  2. Step 2: Convert to fraction form
    579,825.08/869,819.61 = 180,506.15/x
  3. Step 3: Cross multiply
    579,825.08x = 869,819.61 × 180,506.15
  4. Step 4: Simplify right side
    579,825.08x = 157,007,788,995.60
  5. Step 5: Solve for x
    x = 157,007,788,995.60/579,825.08
  6. Step 6: Final answer
    x = 270,784.75

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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.