Home / 1,144,340.51-1,579,028.72-685,347.53

Finding the Fourth Proportional to 1,144,340.51, 1,579,028.72 and 685,347.53

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Solution

The fourth proportional to 1,144,340.51, 1,579,028.72 and 685,347.53 is: 945,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,340.51 : 1,579,028.72 = 685,347.53 : x
  2. Step 2: Convert to fraction form
    1,144,340.51/1,579,028.72 = 685,347.53/x
  3. Step 3: Cross multiply
    1,144,340.51x = 1,579,028.72 × 685,347.53
  4. Step 4: Simplify right side
    1,144,340.51x = 1,082,183,421,729.18
  5. Step 5: Solve for x
    x = 1,082,183,421,729.18/1,144,340.51
  6. Step 6: Final answer
    x = 945,683.05

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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.