Home / 383,653.26-529,434.51-211,587.14

Finding the Fourth Proportional to 383,653.26, 529,434.51 and 211,587.14

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Solution

The fourth proportional to 383,653.26, 529,434.51 and 211,587.14 is: 291,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,653.26 : 529,434.51 = 211,587.14 : x
  2. Step 2: Convert to fraction form
    383,653.26/529,434.51 = 211,587.14/x
  3. Step 3: Cross multiply
    383,653.26x = 529,434.51 × 211,587.14
  4. Step 4: Simplify right side
    383,653.26x = 112,021,533,788.20
  5. Step 5: Solve for x
    x = 112,021,533,788.20/383,653.26
  6. Step 6: Final answer
    x = 291,986.40

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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.