Home / 1,053,576.11-1,580,203.78-343,603.01

Finding the Fourth Proportional to 1,053,576.11, 1,580,203.78 and 343,603.01

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Solution

The fourth proportional to 1,053,576.11, 1,580,203.78 and 343,603.01 is: 515,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,576.11 : 1,580,203.78 = 343,603.01 : x
  2. Step 2: Convert to fraction form
    1,053,576.11/1,580,203.78 = 343,603.01/x
  3. Step 3: Cross multiply
    1,053,576.11x = 1,580,203.78 × 343,603.01
  4. Step 4: Simplify right side
    1,053,576.11x = 542,962,773,503.36
  5. Step 5: Solve for x
    x = 542,962,773,503.36/1,053,576.11
  6. Step 6: Final answer
    x = 515,352.21

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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.