Home / 806,856.20-1,212,908.70-571,826.60

Finding the Fourth Proportional to 806,856.20, 1,212,908.70 and 571,826.60

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Solution

The fourth proportional to 806,856.20, 1,212,908.70 and 571,826.60 is: 859,599.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,856.20 : 1,212,908.70 = 571,826.60 : x
  2. Step 2: Convert to fraction form
    806,856.20/1,212,908.70 = 571,826.60/x
  3. Step 3: Cross multiply
    806,856.20x = 1,212,908.70 × 571,826.60
  4. Step 4: Simplify right side
    806,856.20x = 693,573,458,031.42
  5. Step 5: Solve for x
    x = 693,573,458,031.42/806,856.20
  6. Step 6: Final answer
    x = 859,599.84

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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.