Home / 341,780.20-512,670.30-173,818.60

Finding the Fourth Proportional to 341,780.20, 512,670.30 and 173,818.60

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Solution

The fourth proportional to 341,780.20, 512,670.30 and 173,818.60 is: 260,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,780.20 : 512,670.30 = 173,818.60 : x
  2. Step 2: Convert to fraction form
    341,780.20/512,670.30 = 173,818.60/x
  3. Step 3: Cross multiply
    341,780.20x = 512,670.30 × 173,818.60
  4. Step 4: Simplify right side
    341,780.20x = 89,111,633,807.58
  5. Step 5: Solve for x
    x = 89,111,633,807.58/341,780.20
  6. Step 6: Final answer
    x = 260,727.90

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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.