Home / 921,636.04-1,382,452.98-256,788.04

Finding the Fourth Proportional to 921,636.04, 1,382,452.98 and 256,788.04

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Solution

The fourth proportional to 921,636.04, 1,382,452.98 and 256,788.04 is: 385,181.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,636.04 : 1,382,452.98 = 256,788.04 : x
  2. Step 2: Convert to fraction form
    921,636.04/1,382,452.98 = 256,788.04/x
  3. Step 3: Cross multiply
    921,636.04x = 1,382,452.98 × 256,788.04
  4. Step 4: Simplify right side
    921,636.04x = 354,997,391,126.36
  5. Step 5: Solve for x
    x = 354,997,391,126.36/921,636.04
  6. Step 6: Final answer
    x = 385,181.76

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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.