Home / 825,363.55-1,238,223.57-256,733.83

Finding the Fourth Proportional to 825,363.55, 1,238,223.57 and 256,733.83

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Solution

The fourth proportional to 825,363.55, 1,238,223.57 and 256,733.83 is: 385,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,363.55 : 1,238,223.57 = 256,733.83 : x
  2. Step 2: Convert to fraction form
    825,363.55/1,238,223.57 = 256,733.83/x
  3. Step 3: Cross multiply
    825,363.55x = 1,238,223.57 × 256,733.83
  4. Step 4: Simplify right side
    825,363.55x = 317,893,879,522.37
  5. Step 5: Solve for x
    x = 317,893,879,522.37/825,363.55
  6. Step 6: Final answer
    x = 385,156.19

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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.