Home / 890,809.65-1,336,079.21-291,757.55

Finding the Fourth Proportional to 890,809.65, 1,336,079.21 and 291,757.55

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Solution

The fourth proportional to 890,809.65, 1,336,079.21 and 291,757.55 is: 437,592.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,809.65 : 1,336,079.21 = 291,757.55 : x
  2. Step 2: Convert to fraction form
    890,809.65/1,336,079.21 = 291,757.55/x
  3. Step 3: Cross multiply
    890,809.65x = 1,336,079.21 × 291,757.55
  4. Step 4: Simplify right side
    890,809.65x = 389,811,188,776.35
  5. Step 5: Solve for x
    x = 389,811,188,776.35/890,809.65
  6. Step 6: Final answer
    x = 437,592.01

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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.