Home / 1,189,167.30-1,783,744.29-290,613.78

Finding the Fourth Proportional to 1,189,167.30, 1,783,744.29 and 290,613.78

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Solution

The fourth proportional to 1,189,167.30, 1,783,744.29 and 290,613.78 is: 435,919.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,167.30 : 1,783,744.29 = 290,613.78 : x
  2. Step 2: Convert to fraction form
    1,189,167.30/1,783,744.29 = 290,613.78/x
  3. Step 3: Cross multiply
    1,189,167.30x = 1,783,744.29 × 290,613.78
  4. Step 4: Simplify right side
    1,189,167.30x = 518,380,670,670.32
  5. Step 5: Solve for x
    x = 518,380,670,670.32/1,189,167.30
  6. Step 6: Final answer
    x = 435,919.04

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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.