Home / 926,481.53-1,389,961.89-542,554.59

Finding the Fourth Proportional to 926,481.53, 1,389,961.89 and 542,554.59

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Solution

The fourth proportional to 926,481.53, 1,389,961.89 and 542,554.59 is: 813,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,481.53 : 1,389,961.89 = 542,554.59 : x
  2. Step 2: Convert to fraction form
    926,481.53/1,389,961.89 = 542,554.59/x
  3. Step 3: Cross multiply
    926,481.53x = 1,389,961.89 × 542,554.59
  4. Step 4: Simplify right side
    926,481.53x = 754,130,203,344.58
  5. Step 5: Solve for x
    x = 754,130,203,344.58/926,481.53
  6. Step 6: Final answer
    x = 813,972.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.