Home / 1,932,051.60-2,898,077.40-512,251.20

Finding the Fourth Proportional to 1,932,051.60, 2,898,077.40 and 512,251.20

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Solution

The fourth proportional to 1,932,051.60, 2,898,077.40 and 512,251.20 is: 768,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,051.60 : 2,898,077.40 = 512,251.20 : x
  2. Step 2: Convert to fraction form
    1,932,051.60/2,898,077.40 = 512,251.20/x
  3. Step 3: Cross multiply
    1,932,051.60x = 2,898,077.40 × 512,251.20
  4. Step 4: Simplify right side
    1,932,051.60x = 1,484,543,625,842.88
  5. Step 5: Solve for x
    x = 1,484,543,625,842.88/1,932,051.60
  6. Step 6: Final answer
    x = 768,376.80

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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.