Home / 1,238,623.86-1,857,845.55-555,722.19

Finding the Fourth Proportional to 1,238,623.86, 1,857,845.55 and 555,722.19

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Solution

The fourth proportional to 1,238,623.86, 1,857,845.55 and 555,722.19 is: 833,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,623.86 : 1,857,845.55 = 555,722.19 : x
  2. Step 2: Convert to fraction form
    1,238,623.86/1,857,845.55 = 555,722.19/x
  3. Step 3: Cross multiply
    1,238,623.86x = 1,857,845.55 × 555,722.19
  4. Step 4: Simplify right side
    1,238,623.86x = 1,032,445,997,727.75
  5. Step 5: Solve for x
    x = 1,032,445,997,727.75/1,238,623.86
  6. Step 6: Final answer
    x = 833,542.80

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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.