Home / 1,238,251.48-1,857,475.50-528,285.40

Finding the Fourth Proportional to 1,238,251.48, 1,857,475.50 and 528,285.40

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Solution

The fourth proportional to 1,238,251.48, 1,857,475.50 and 528,285.40 is: 792,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,251.48 : 1,857,475.50 = 528,285.40 : x
  2. Step 2: Convert to fraction form
    1,238,251.48/1,857,475.50 = 528,285.40/x
  3. Step 3: Cross multiply
    1,238,251.48x = 1,857,475.50 × 528,285.40
  4. Step 4: Simplify right side
    1,238,251.48x = 981,277,187,507.70
  5. Step 5: Solve for x
    x = 981,277,187,507.70/1,238,251.48
  6. Step 6: Final answer
    x = 792,470.03

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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.