Home / 742,586.52-1,113,701.37-342,843.42

Finding the Fourth Proportional to 742,586.52, 1,113,701.37 and 342,843.42

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Solution

The fourth proportional to 742,586.52, 1,113,701.37 and 342,843.42 is: 514,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,586.52 : 1,113,701.37 = 342,843.42 : x
  2. Step 2: Convert to fraction form
    742,586.52/1,113,701.37 = 342,843.42/x
  3. Step 3: Cross multiply
    742,586.52x = 1,113,701.37 × 342,843.42
  4. Step 4: Simplify right side
    742,586.52x = 381,825,186,549.49
  5. Step 5: Solve for x
    x = 381,825,186,549.49/742,586.52
  6. Step 6: Final answer
    x = 514,182.76

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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.