Home / 434,557.90-652,128.45-197,778.70

Finding the Fourth Proportional to 434,557.90, 652,128.45 and 197,778.70

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Solution

The fourth proportional to 434,557.90, 652,128.45 and 197,778.70 is: 296,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,557.90 : 652,128.45 = 197,778.70 : x
  2. Step 2: Convert to fraction form
    434,557.90/652,128.45 = 197,778.70/x
  3. Step 3: Cross multiply
    434,557.90x = 652,128.45 × 197,778.70
  4. Step 4: Simplify right side
    434,557.90x = 128,977,117,074.02
  5. Step 5: Solve for x
    x = 128,977,117,074.02/434,557.90
  6. Step 6: Final answer
    x = 296,800.76

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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.