Home / 670,509.46-1,005,764.13-197,194.81

Finding the Fourth Proportional to 670,509.46, 1,005,764.13 and 197,194.81

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Solution

The fourth proportional to 670,509.46, 1,005,764.13 and 197,194.81 is: 295,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,509.46 : 1,005,764.13 = 197,194.81 : x
  2. Step 2: Convert to fraction form
    670,509.46/1,005,764.13 = 197,194.81/x
  3. Step 3: Cross multiply
    670,509.46x = 1,005,764.13 × 197,194.81
  4. Step 4: Simplify right side
    670,509.46x = 198,331,466,520.17
  5. Step 5: Solve for x
    x = 198,331,466,520.17/670,509.46
  6. Step 6: Final answer
    x = 295,792.20

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Double scale
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Similar ratio
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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.