Home / 1,238,608.85-1,857,823.07-555,707.16

Finding the Fourth Proportional to 1,238,608.85, 1,857,823.07 and 555,707.16

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Solution

The fourth proportional to 1,238,608.85, 1,857,823.07 and 555,707.16 is: 833,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,608.85 : 1,857,823.07 = 555,707.16 : x
  2. Step 2: Convert to fraction form
    1,238,608.85/1,857,823.07 = 555,707.16/x
  3. Step 3: Cross multiply
    1,238,608.85x = 1,857,823.07 × 555,707.16
  4. Step 4: Simplify right side
    1,238,608.85x = 1,032,405,579,233.65
  5. Step 5: Solve for x
    x = 1,032,405,579,233.65/1,238,608.85
  6. Step 6: Final answer
    x = 833,520.27

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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.