Home / 1,173,258.42-1,619,119.54-765,621.06

Finding the Fourth Proportional to 1,173,258.42, 1,619,119.54 and 765,621.06

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Solution

The fourth proportional to 1,173,258.42, 1,619,119.54 and 765,621.06 is: 1,056,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,258.42 : 1,619,119.54 = 765,621.06 : x
  2. Step 2: Convert to fraction form
    1,173,258.42/1,619,119.54 = 765,621.06/x
  3. Step 3: Cross multiply
    1,173,258.42x = 1,619,119.54 × 765,621.06
  4. Step 4: Simplify right side
    1,173,258.42x = 1,239,632,018,481.51
  5. Step 5: Solve for x
    x = 1,239,632,018,481.51/1,173,258.42
  6. Step 6: Final answer
    x = 1,056,572.02

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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.