Home / 464,986.80-697,480.20-212,266.80

Finding the Fourth Proportional to 464,986.80, 697,480.20 and 212,266.80

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Solution

The fourth proportional to 464,986.80, 697,480.20 and 212,266.80 is: 318,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,986.80 : 697,480.20 = 212,266.80 : x
  2. Step 2: Convert to fraction form
    464,986.80/697,480.20 = 212,266.80/x
  3. Step 3: Cross multiply
    464,986.80x = 697,480.20 × 212,266.80
  4. Step 4: Simplify right side
    464,986.80x = 148,051,890,117.36
  5. Step 5: Solve for x
    x = 148,051,890,117.36/464,986.80
  6. Step 6: Final answer
    x = 318,400.20

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Similar ratio
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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.