Home / 842,865.92-1,163,059.44-498,712.40

Finding the Fourth Proportional to 842,865.92, 1,163,059.44 and 498,712.40

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Solution

The fourth proportional to 842,865.92, 1,163,059.44 and 498,712.40 is: 688,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,865.92 : 1,163,059.44 = 498,712.40 : x
  2. Step 2: Convert to fraction form
    842,865.92/1,163,059.44 = 498,712.40/x
  3. Step 3: Cross multiply
    842,865.92x = 1,163,059.44 × 498,712.40
  4. Step 4: Simplify right side
    842,865.92x = 580,032,164,665.06
  5. Step 5: Solve for x
    x = 580,032,164,665.06/842,865.92
  6. Step 6: Final answer
    x = 688,166.59

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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.