Home / 1,424,832.86-2,137,722.22-465,319.78

Finding the Fourth Proportional to 1,424,832.86, 2,137,722.22 and 465,319.78

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Solution

The fourth proportional to 1,424,832.86, 2,137,722.22 and 465,319.78 is: 698,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,832.86 : 2,137,722.22 = 465,319.78 : x
  2. Step 2: Convert to fraction form
    1,424,832.86/2,137,722.22 = 465,319.78/x
  3. Step 3: Cross multiply
    1,424,832.86x = 2,137,722.22 × 465,319.78
  4. Step 4: Simplify right side
    1,424,832.86x = 994,724,433,111.51
  5. Step 5: Solve for x
    x = 994,724,433,111.51/1,424,832.86
  6. Step 6: Final answer
    x = 698,134.12

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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.