Home / 476,837.70-714,673.35-210,315.30

Finding the Fourth Proportional to 476,837.70, 714,673.35 and 210,315.30

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Solution

The fourth proportional to 476,837.70, 714,673.35 and 210,315.30 is: 315,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,837.70 : 714,673.35 = 210,315.30 : x
  2. Step 2: Convert to fraction form
    476,837.70/714,673.35 = 210,315.30/x
  3. Step 3: Cross multiply
    476,837.70x = 714,673.35 × 210,315.30
  4. Step 4: Simplify right side
    476,837.70x = 150,306,740,007.26
  5. Step 5: Solve for x
    x = 150,306,740,007.26/476,837.70
  6. Step 6: Final answer
    x = 315,215.72

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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.