Home / 649,309.83-974,071.32-200,020.83

Finding the Fourth Proportional to 649,309.83, 974,071.32 and 200,020.83

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Solution

The fourth proportional to 649,309.83, 974,071.32 and 200,020.83 is: 300,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,309.83 : 974,071.32 = 200,020.83 : x
  2. Step 2: Convert to fraction form
    649,309.83/974,071.32 = 200,020.83/x
  3. Step 3: Cross multiply
    649,309.83x = 974,071.32 × 200,020.83
  4. Step 4: Simplify right side
    649,309.83x = 194,834,553,905.60
  5. Step 5: Solve for x
    x = 194,834,553,905.60/649,309.83
  6. Step 6: Final answer
    x = 300,064.08

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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.