Home / 817,084.29-1,225,823.33-256,118.79

Finding the Fourth Proportional to 817,084.29, 1,225,823.33 and 256,118.79

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Solution

The fourth proportional to 817,084.29, 1,225,823.33 and 256,118.79 is: 384,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,084.29 : 1,225,823.33 = 256,118.79 : x
  2. Step 2: Convert to fraction form
    817,084.29/1,225,823.33 = 256,118.79/x
  3. Step 3: Cross multiply
    817,084.29x = 1,225,823.33 × 256,118.79
  4. Step 4: Simplify right side
    817,084.29x = 313,956,388,033.37
  5. Step 5: Solve for x
    x = 313,956,388,033.37/817,084.29
  6. Step 6: Final answer
    x = 384,239.90

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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.