Home / 930,869.24-1,396,276.04-256,991.67

Finding the Fourth Proportional to 930,869.24, 1,396,276.04 and 256,991.67

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Solution

The fourth proportional to 930,869.24, 1,396,276.04 and 256,991.67 is: 385,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,869.24 : 1,396,276.04 = 256,991.67 : x
  2. Step 2: Convert to fraction form
    930,869.24/1,396,276.04 = 256,991.67/x
  3. Step 3: Cross multiply
    930,869.24x = 1,396,276.04 × 256,991.67
  4. Step 4: Simplify right side
    930,869.24x = 358,831,310,015.63
  5. Step 5: Solve for x
    x = 358,831,310,015.63/930,869.24
  6. Step 6: Final answer
    x = 385,479.83

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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.