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Finding the Fourth Proportional to 1,077,887.94, 1,611,978.80 and 958,645.86

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Solution

The fourth proportional to 1,077,887.94, 1,611,978.80 and 958,645.86 is: 1,433,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,887.94 : 1,611,978.80 = 958,645.86 : x
  2. Step 2: Convert to fraction form
    1,077,887.94/1,611,978.80 = 958,645.86/x
  3. Step 3: Cross multiply
    1,077,887.94x = 1,611,978.80 × 958,645.86
  4. Step 4: Simplify right side
    1,077,887.94x = 1,545,316,798,234.54
  5. Step 5: Solve for x
    x = 1,545,316,798,234.54/1,077,887.94
  6. Step 6: Final answer
    x = 1,433,652.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.