Home / 1,308,408.34-1,805,688.11-757,235.11

Finding the Fourth Proportional to 1,308,408.34, 1,805,688.11 and 757,235.11

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Solution

The fourth proportional to 1,308,408.34, 1,805,688.11 and 757,235.11 is: 1,045,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,408.34 : 1,805,688.11 = 757,235.11 : x
  2. Step 2: Convert to fraction form
    1,308,408.34/1,805,688.11 = 757,235.11/x
  3. Step 3: Cross multiply
    1,308,408.34x = 1,805,688.11 × 757,235.11
  4. Step 4: Simplify right side
    1,308,408.34x = 1,367,330,434,601.54
  5. Step 5: Solve for x
    x = 1,367,330,434,601.54/1,308,408.34
  6. Step 6: Final answer
    x = 1,045,033.41

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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.