Home / 762,686.08-1,052,506.92-423,153.52

Finding the Fourth Proportional to 762,686.08, 1,052,506.92 and 423,153.52

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Solution

The fourth proportional to 762,686.08, 1,052,506.92 and 423,153.52 is: 583,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,686.08 : 1,052,506.92 = 423,153.52 : x
  2. Step 2: Convert to fraction form
    762,686.08/1,052,506.92 = 423,153.52/x
  3. Step 3: Cross multiply
    762,686.08x = 1,052,506.92 × 423,153.52
  4. Step 4: Simplify right side
    762,686.08x = 445,372,008,022.36
  5. Step 5: Solve for x
    x = 445,372,008,022.36/762,686.08
  6. Step 6: Final answer
    x = 583,951.93

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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.