Home / 838,993.95-1,157,811.77-457,020.73

Finding the Fourth Proportional to 838,993.95, 1,157,811.77 and 457,020.73

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Solution

The fourth proportional to 838,993.95, 1,157,811.77 and 457,020.73 is: 630,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,993.95 : 1,157,811.77 = 457,020.73 : x
  2. Step 2: Convert to fraction form
    838,993.95/1,157,811.77 = 457,020.73/x
  3. Step 3: Cross multiply
    838,993.95x = 1,157,811.77 × 457,020.73
  4. Step 4: Simplify right side
    838,993.95x = 529,143,982,917.81
  5. Step 5: Solve for x
    x = 529,143,982,917.81/838,993.95
  6. Step 6: Final answer
    x = 630,688.68

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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.