Home / 1,295,554.76-1,787,868.06-722,632.04

Finding the Fourth Proportional to 1,295,554.76, 1,787,868.06 and 722,632.04

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Solution

The fourth proportional to 1,295,554.76, 1,787,868.06 and 722,632.04 is: 997,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,554.76 : 1,787,868.06 = 722,632.04 : x
  2. Step 2: Convert to fraction form
    1,295,554.76/1,787,868.06 = 722,632.04/x
  3. Step 3: Cross multiply
    1,295,554.76x = 1,787,868.06 × 722,632.04
  4. Step 4: Simplify right side
    1,295,554.76x = 1,291,970,743,448.64
  5. Step 5: Solve for x
    x = 1,291,970,743,448.64/1,295,554.76
  6. Step 6: Final answer
    x = 997,233.60

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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.