Home / 881,892.75-1,216,976.76-519,331.89

Finding the Fourth Proportional to 881,892.75, 1,216,976.76 and 519,331.89

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Solution

The fourth proportional to 881,892.75, 1,216,976.76 and 519,331.89 is: 716,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,892.75 : 1,216,976.76 = 519,331.89 : x
  2. Step 2: Convert to fraction form
    881,892.75/1,216,976.76 = 519,331.89/x
  3. Step 3: Cross multiply
    881,892.75x = 1,216,976.76 × 519,331.89
  4. Step 4: Simplify right side
    881,892.75x = 632,014,840,856.88
  5. Step 5: Solve for x
    x = 632,014,840,856.88/881,892.75
  6. Step 6: Final answer
    x = 716,657.26

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1.5x scale

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.