Home / 945,771.16-1,418,870.58-314,709.88

Finding the Fourth Proportional to 945,771.16, 1,418,870.58 and 314,709.88

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Solution

The fourth proportional to 945,771.16, 1,418,870.58 and 314,709.88 is: 472,135.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,771.16 : 1,418,870.58 = 314,709.88 : x
  2. Step 2: Convert to fraction form
    945,771.16/1,418,870.58 = 314,709.88/x
  3. Step 3: Cross multiply
    945,771.16x = 1,418,870.58 × 314,709.88
  4. Step 4: Simplify right side
    945,771.16x = 446,532,589,967.33
  5. Step 5: Solve for x
    x = 446,532,589,967.33/945,771.16
  6. Step 6: Final answer
    x = 472,135.98

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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.