Home / 762,667.80-1,052,974.60-472,587.18

Finding the Fourth Proportional to 762,667.80, 1,052,974.60 and 472,587.18

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Solution

The fourth proportional to 762,667.80, 1,052,974.60 and 472,587.18 is: 652,475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,667.80 : 1,052,974.60 = 472,587.18 : x
  2. Step 2: Convert to fraction form
    762,667.80/1,052,974.60 = 472,587.18/x
  3. Step 3: Cross multiply
    762,667.80x = 1,052,974.60 × 472,587.18
  4. Step 4: Simplify right side
    762,667.80x = 497,622,296,825.63
  5. Step 5: Solve for x
    x = 497,622,296,825.63/762,667.80
  6. Step 6: Final answer
    x = 652,475.82

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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.