Home / 434,543.40-651,620.70-197,764.20

Finding the Fourth Proportional to 434,543.40, 651,620.70 and 197,764.20

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Solution

The fourth proportional to 434,543.40, 651,620.70 and 197,764.20 is: 296,557.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,543.40 : 651,620.70 = 197,764.20 : x
  2. Step 2: Convert to fraction form
    434,543.40/651,620.70 = 197,764.20/x
  3. Step 3: Cross multiply
    434,543.40x = 651,620.70 × 197,764.20
  4. Step 4: Simplify right side
    434,543.40x = 128,867,246,438.94
  5. Step 5: Solve for x
    x = 128,867,246,438.94/434,543.40
  6. Step 6: Final answer
    x = 296,557.83

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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.