Home / 834,359.96-1,248,112.26-666,208.71

Finding the Fourth Proportional to 834,359.96, 1,248,112.26 and 666,208.71

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Solution

The fourth proportional to 834,359.96, 1,248,112.26 and 666,208.71 is: 996,576.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,359.96 : 1,248,112.26 = 666,208.71 : x
  2. Step 2: Convert to fraction form
    834,359.96/1,248,112.26 = 666,208.71/x
  3. Step 3: Cross multiply
    834,359.96x = 1,248,112.26 × 666,208.71
  4. Step 4: Simplify right side
    834,359.96x = 831,503,263,455.59
  5. Step 5: Solve for x
    x = 831,503,263,455.59/834,359.96
  6. Step 6: Final answer
    x = 996,576.19

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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.