Home / 805,440.26-1,111,511.69-442,887.50

Finding the Fourth Proportional to 805,440.26, 1,111,511.69 and 442,887.50

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Solution

The fourth proportional to 805,440.26, 1,111,511.69 and 442,887.50 is: 611,187.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,440.26 : 1,111,511.69 = 442,887.50 : x
  2. Step 2: Convert to fraction form
    805,440.26/1,111,511.69 = 442,887.50/x
  3. Step 3: Cross multiply
    805,440.26x = 1,111,511.69 × 442,887.50
  4. Step 4: Simplify right side
    805,440.26x = 492,274,630,823.41
  5. Step 5: Solve for x
    x = 492,274,630,823.41/805,440.26
  6. Step 6: Final answer
    x = 611,187.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.