Home / 930,832.41-1,396,328.93-256,913.73

Finding the Fourth Proportional to 930,832.41, 1,396,328.93 and 256,913.73

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Solution

The fourth proportional to 930,832.41, 1,396,328.93 and 256,913.73 is: 385,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,832.41 : 1,396,328.93 = 256,913.73 : x
  2. Step 2: Convert to fraction form
    930,832.41/1,396,328.93 = 256,913.73/x
  3. Step 3: Cross multiply
    930,832.41x = 1,396,328.93 × 256,913.73
  4. Step 4: Simplify right side
    930,832.41x = 358,736,072,428.64
  5. Step 5: Solve for x
    x = 358,736,072,428.64/930,832.41
  6. Step 6: Final answer
    x = 385,392.76

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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.