Home / 777,181.32-1,165,929.12-327,903.26

Finding the Fourth Proportional to 777,181.32, 1,165,929.12 and 327,903.26

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Solution

The fourth proportional to 777,181.32, 1,165,929.12 and 327,903.26 is: 491,921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,181.32 : 1,165,929.12 = 327,903.26 : x
  2. Step 2: Convert to fraction form
    777,181.32/1,165,929.12 = 327,903.26/x
  3. Step 3: Cross multiply
    777,181.32x = 1,165,929.12 × 327,903.26
  4. Step 4: Simplify right side
    777,181.32x = 382,311,953,547.29
  5. Step 5: Solve for x
    x = 382,311,953,547.29/777,181.32
  6. Step 6: Final answer
    x = 491,921.18

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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.