Home / 1,238,250.48-1,857,474-528,284.40

Finding the Fourth Proportional to 1,238,250.48, 1,857,474 and 528,284.40

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Solution

The fourth proportional to 1,238,250.48, 1,857,474 and 528,284.40 is: 792,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,250.48 : 1,857,474 = 528,284.40 : x
  2. Step 2: Convert to fraction form
    1,238,250.48/1,857,474 = 528,284.40/x
  3. Step 3: Cross multiply
    1,238,250.48x = 1,857,474 × 528,284.40
  4. Step 4: Simplify right side
    1,238,250.48x = 981,274,537,605.60
  5. Step 5: Solve for x
    x = 981,274,537,605.60/1,238,250.48
  6. Step 6: Final answer
    x = 792,468.53

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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.