Home / 383,569.50-529,332.86-213,785.40

Finding the Fourth Proportional to 383,569.50, 529,332.86 and 213,785.40

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Solution

The fourth proportional to 383,569.50, 529,332.86 and 213,785.40 is: 295,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,569.50 : 529,332.86 = 213,785.40 : x
  2. Step 2: Convert to fraction form
    383,569.50/529,332.86 = 213,785.40/x
  3. Step 3: Cross multiply
    383,569.50x = 529,332.86 × 213,785.40
  4. Step 4: Simplify right side
    383,569.50x = 113,163,637,208.24
  5. Step 5: Solve for x
    x = 113,163,637,208.24/383,569.50
  6. Step 6: Final answer
    x = 295,027.73

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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.