Home / 638,675.10-958,089.03-259,514.82

Finding the Fourth Proportional to 638,675.10, 958,089.03 and 259,514.82

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Solution

The fourth proportional to 638,675.10, 958,089.03 and 259,514.82 is: 389,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,675.10 : 958,089.03 = 259,514.82 : x
  2. Step 2: Convert to fraction form
    638,675.10/958,089.03 = 259,514.82/x
  3. Step 3: Cross multiply
    638,675.10x = 958,089.03 × 259,514.82
  4. Step 4: Simplify right side
    638,675.10x = 248,638,302,164.43
  5. Step 5: Solve for x
    x = 248,638,302,164.43/638,675.10
  6. Step 6: Final answer
    x = 389,303.27

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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.