Home / 806,320.58-1,112,697.95-443,743.92

Finding the Fourth Proportional to 806,320.58, 1,112,697.95 and 443,743.92

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Solution

The fourth proportional to 806,320.58, 1,112,697.95 and 443,743.92 is: 612,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,320.58 : 1,112,697.95 = 443,743.92 : x
  2. Step 2: Convert to fraction form
    806,320.58/1,112,697.95 = 443,743.92/x
  3. Step 3: Cross multiply
    806,320.58x = 1,112,697.95 × 443,743.92
  4. Step 4: Simplify right side
    806,320.58x = 493,752,947,890.24
  5. Step 5: Solve for x
    x = 493,752,947,890.24/806,320.58
  6. Step 6: Final answer
    x = 612,353.15

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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.