Home / 858,143.68-1,184,234.46-476,169.64

Finding the Fourth Proportional to 858,143.68, 1,184,234.46 and 476,169.64

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Solution

The fourth proportional to 858,143.68, 1,184,234.46 and 476,169.64 is: 657,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,143.68 : 1,184,234.46 = 476,169.64 : x
  2. Step 2: Convert to fraction form
    858,143.68/1,184,234.46 = 476,169.64/x
  3. Step 3: Cross multiply
    858,143.68x = 1,184,234.46 × 476,169.64
  4. Step 4: Simplify right side
    858,143.68x = 563,896,496,493.79
  5. Step 5: Solve for x
    x = 563,896,496,493.79/858,143.68
  6. Step 6: Final answer
    x = 657,111.98

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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.