Home / 467,948.09-645,774.57-263,998.32

Finding the Fourth Proportional to 467,948.09, 645,774.57 and 263,998.32

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Solution

The fourth proportional to 467,948.09, 645,774.57 and 263,998.32 is: 364,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,948.09 : 645,774.57 = 263,998.32 : x
  2. Step 2: Convert to fraction form
    467,948.09/645,774.57 = 263,998.32/x
  3. Step 3: Cross multiply
    467,948.09x = 645,774.57 × 263,998.32
  4. Step 4: Simplify right side
    467,948.09x = 170,483,401,578.72
  5. Step 5: Solve for x
    x = 170,483,401,578.72/467,948.09
  6. Step 6: Final answer
    x = 364,321.18

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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.