Home / 1,317,997.28-1,819,030.56-834,606.56

Finding the Fourth Proportional to 1,317,997.28, 1,819,030.56 and 834,606.56

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Solution

The fourth proportional to 1,317,997.28, 1,819,030.56 and 834,606.56 is: 1,151,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,997.28 : 1,819,030.56 = 834,606.56 : x
  2. Step 2: Convert to fraction form
    1,317,997.28/1,819,030.56 = 834,606.56/x
  3. Step 3: Cross multiply
    1,317,997.28x = 1,819,030.56 × 834,606.56
  4. Step 4: Simplify right side
    1,317,997.28x = 1,518,174,838,216.47
  5. Step 5: Solve for x
    x = 1,518,174,838,216.47/1,317,997.28
  6. Step 6: Final answer
    x = 1,151,880.10

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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.