Home / 1,015,554.18-1,401,619.23-648,190.02

Finding the Fourth Proportional to 1,015,554.18, 1,401,619.23 and 648,190.02

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Solution

The fourth proportional to 1,015,554.18, 1,401,619.23 and 648,190.02 is: 894,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,554.18 : 1,401,619.23 = 648,190.02 : x
  2. Step 2: Convert to fraction form
    1,015,554.18/1,401,619.23 = 648,190.02/x
  3. Step 3: Cross multiply
    1,015,554.18x = 1,401,619.23 × 648,190.02
  4. Step 4: Simplify right side
    1,015,554.18x = 908,515,596,726.09
  5. Step 5: Solve for x
    x = 908,515,596,726.09/1,015,554.18
  6. Step 6: Final answer
    x = 894,600.81

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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.