Home / 434,772.30-652,158.45-198,576.30

Finding the Fourth Proportional to 434,772.30, 652,158.45 and 198,576.30

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Solution

The fourth proportional to 434,772.30, 652,158.45 and 198,576.30 is: 297,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,772.30 : 652,158.45 = 198,576.30 : x
  2. Step 2: Convert to fraction form
    434,772.30/652,158.45 = 198,576.30/x
  3. Step 3: Cross multiply
    434,772.30x = 652,158.45 × 198,576.30
  4. Step 4: Simplify right side
    434,772.30x = 129,503,212,014.74
  5. Step 5: Solve for x
    x = 129,503,212,014.74/434,772.30
  6. Step 6: Final answer
    x = 297,864.45

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1.5x scale

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.