Home / 1,317,410.89-1,818,028.23-713,798.89

Finding the Fourth Proportional to 1,317,410.89, 1,818,028.23 and 713,798.89

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Solution

The fourth proportional to 1,317,410.89, 1,818,028.23 and 713,798.89 is: 985,043.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,410.89 : 1,818,028.23 = 713,798.89 : x
  2. Step 2: Convert to fraction form
    1,317,410.89/1,818,028.23 = 713,798.89/x
  3. Step 3: Cross multiply
    1,317,410.89x = 1,818,028.23 × 713,798.89
  4. Step 4: Simplify right side
    1,317,410.89x = 1,297,706,532,562.66
  5. Step 5: Solve for x
    x = 1,297,706,532,562.66/1,317,410.89
  6. Step 6: Final answer
    x = 985,043.12

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Double scale
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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.