Home / 670,664.29-1,005,996.39-197,349.79

Finding the Fourth Proportional to 670,664.29, 1,005,996.39 and 197,349.79

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Solution

The fourth proportional to 670,664.29, 1,005,996.39 and 197,349.79 is: 296,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,664.29 : 1,005,996.39 = 197,349.79 : x
  2. Step 2: Convert to fraction form
    670,664.29/1,005,996.39 = 197,349.79/x
  3. Step 3: Cross multiply
    670,664.29x = 1,005,996.39 × 197,349.79
  4. Step 4: Simplify right side
    670,664.29x = 198,533,176,307.26
  5. Step 5: Solve for x
    x = 198,533,176,307.26/670,664.29
  6. Step 6: Final answer
    x = 296,024.67

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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.