Home / 578,143.26-866,621.91-223,017.66

Finding the Fourth Proportional to 578,143.26, 866,621.91 and 223,017.66

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Solution

The fourth proportional to 578,143.26, 866,621.91 and 223,017.66 is: 334,297.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,143.26 : 866,621.91 = 223,017.66 : x
  2. Step 2: Convert to fraction form
    578,143.26/866,621.91 = 223,017.66/x
  3. Step 3: Cross multiply
    578,143.26x = 866,621.91 × 223,017.66
  4. Step 4: Simplify right side
    578,143.26x = 193,271,990,472.93
  5. Step 5: Solve for x
    x = 193,271,990,472.93/578,143.26
  6. Step 6: Final answer
    x = 334,297.75

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Double scale
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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.