Home / 1,052,985.96-1,578,168.56-512,800.61

Finding the Fourth Proportional to 1,052,985.96, 1,578,168.56 and 512,800.61

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Solution

The fourth proportional to 1,052,985.96, 1,578,168.56 and 512,800.61 is: 768,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,985.96 : 1,578,168.56 = 512,800.61 : x
  2. Step 2: Convert to fraction form
    1,052,985.96/1,578,168.56 = 512,800.61/x
  3. Step 3: Cross multiply
    1,052,985.96x = 1,578,168.56 × 512,800.61
  4. Step 4: Simplify right side
    1,052,985.96x = 809,285,793,641.98
  5. Step 5: Solve for x
    x = 809,285,793,641.98/1,052,985.96
  6. Step 6: Final answer
    x = 768,562.76

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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.