Home / 387,012.93-534,091.35-214,933.77

Finding the Fourth Proportional to 387,012.93, 534,091.35 and 214,933.77

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Solution

The fourth proportional to 387,012.93, 534,091.35 and 214,933.77 is: 296,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,012.93 : 534,091.35 = 214,933.77 : x
  2. Step 2: Convert to fraction form
    387,012.93/534,091.35 = 214,933.77/x
  3. Step 3: Cross multiply
    387,012.93x = 534,091.35 × 214,933.77
  4. Step 4: Simplify right side
    387,012.93x = 114,794,267,379.89
  5. Step 5: Solve for x
    x = 114,794,267,379.89/387,012.93
  6. Step 6: Final answer
    x = 296,616.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.