Home / 1,035,579.09-1,428,363-691,241.41

Finding the Fourth Proportional to 1,035,579.09, 1,428,363 and 691,241.41

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Solution

The fourth proportional to 1,035,579.09, 1,428,363 and 691,241.41 is: 953,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,579.09 : 1,428,363 = 691,241.41 : x
  2. Step 2: Convert to fraction form
    1,035,579.09/1,428,363 = 691,241.41/x
  3. Step 3: Cross multiply
    1,035,579.09x = 1,428,363 × 691,241.41
  4. Step 4: Simplify right side
    1,035,579.09x = 987,343,654,111.83
  5. Step 5: Solve for x
    x = 987,343,654,111.83/1,035,579.09
  6. Step 6: Final answer
    x = 953,421.77

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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.