Home / 383,904.90-529,826.67-286,940.61

Finding the Fourth Proportional to 383,904.90, 529,826.67 and 286,940.61

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Solution

The fourth proportional to 383,904.90, 529,826.67 and 286,940.61 is: 396,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,904.90 : 529,826.67 = 286,940.61 : x
  2. Step 2: Convert to fraction form
    383,904.90/529,826.67 = 286,940.61/x
  3. Step 3: Cross multiply
    383,904.90x = 529,826.67 × 286,940.61
  4. Step 4: Simplify right side
    383,904.90x = 152,028,787,884.07
  5. Step 5: Solve for x
    x = 152,028,787,884.07/383,904.90
  6. Step 6: Final answer
    x = 396,006.38

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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.