Home / 522,111.76-782,784.60-166,921.36

Finding the Fourth Proportional to 522,111.76, 782,784.60 and 166,921.36

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Solution

The fourth proportional to 522,111.76, 782,784.60 and 166,921.36 is: 250,259.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,111.76 : 782,784.60 = 166,921.36 : x
  2. Step 2: Convert to fraction form
    522,111.76/782,784.60 = 166,921.36/x
  3. Step 3: Cross multiply
    522,111.76x = 782,784.60 × 166,921.36
  4. Step 4: Simplify right side
    522,111.76x = 130,663,470,019.06
  5. Step 5: Solve for x
    x = 130,663,470,019.06/522,111.76
  6. Step 6: Final answer
    x = 250,259.58

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1.5x scale

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.