Home / 1,317,998.28-1,819,031.94-834,607.56

Finding the Fourth Proportional to 1,317,998.28, 1,819,031.94 and 834,607.56

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Solution

The fourth proportional to 1,317,998.28, 1,819,031.94 and 834,607.56 is: 1,151,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,998.28 : 1,819,031.94 = 834,607.56 : x
  2. Step 2: Convert to fraction form
    1,317,998.28/1,819,031.94 = 834,607.56/x
  3. Step 3: Cross multiply
    1,317,998.28x = 1,819,031.94 × 834,607.56
  4. Step 4: Simplify right side
    1,317,998.28x = 1,518,177,809,005.47
  5. Step 5: Solve for x
    x = 1,518,177,809,005.47/1,317,998.28
  6. Step 6: Final answer
    x = 1,151,881.48

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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.