Home / 1,175,540.10-1,620,743.56-761,345.07

Finding the Fourth Proportional to 1,175,540.10, 1,620,743.56 and 761,345.07

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Solution

The fourth proportional to 1,175,540.10, 1,620,743.56 and 761,345.07 is: 1,049,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,540.10 : 1,620,743.56 = 761,345.07 : x
  2. Step 2: Convert to fraction form
    1,175,540.10/1,620,743.56 = 761,345.07/x
  3. Step 3: Cross multiply
    1,175,540.10x = 1,620,743.56 × 761,345.07
  4. Step 4: Simplify right side
    1,175,540.10x = 1,233,945,119,140.25
  5. Step 5: Solve for x
    x = 1,233,945,119,140.25/1,175,540.10
  6. Step 6: Final answer
    x = 1,049,683.56

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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.