Home / 1,231,443.81-1,845,909-697,837.68

Finding the Fourth Proportional to 1,231,443.81, 1,845,909 and 697,837.68

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Solution

The fourth proportional to 1,231,443.81, 1,845,909 and 697,837.68 is: 1,046,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,443.81 : 1,845,909 = 697,837.68 : x
  2. Step 2: Convert to fraction form
    1,231,443.81/1,845,909 = 697,837.68/x
  3. Step 3: Cross multiply
    1,231,443.81x = 1,845,909 × 697,837.68
  4. Step 4: Simplify right side
    1,231,443.81x = 1,288,144,854,051.12
  5. Step 5: Solve for x
    x = 1,288,144,854,051.12/1,231,443.81
  6. Step 6: Final answer
    x = 1,046,044.36

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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.