Home / 934,711.96-1,289,900.90-504,990.76

Finding the Fourth Proportional to 934,711.96, 1,289,900.90 and 504,990.76

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Solution

The fourth proportional to 934,711.96, 1,289,900.90 and 504,990.76 is: 696,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,711.96 : 1,289,900.90 = 504,990.76 : x
  2. Step 2: Convert to fraction form
    934,711.96/1,289,900.90 = 504,990.76/x
  3. Step 3: Cross multiply
    934,711.96x = 1,289,900.90 × 504,990.76
  4. Step 4: Simplify right side
    934,711.96x = 651,388,035,815.68
  5. Step 5: Solve for x
    x = 651,388,035,815.68/934,711.96
  6. Step 6: Final answer
    x = 696,886.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.