Home / 945,770.16-1,418,869.08-314,708.88

Finding the Fourth Proportional to 945,770.16, 1,418,869.08 and 314,708.88

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Solution

The fourth proportional to 945,770.16, 1,418,869.08 and 314,708.88 is: 472,134.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,770.16 : 1,418,869.08 = 314,708.88 : x
  2. Step 2: Convert to fraction form
    945,770.16/1,418,869.08 = 314,708.88/x
  3. Step 3: Cross multiply
    945,770.16x = 1,418,869.08 × 314,708.88
  4. Step 4: Simplify right side
    945,770.16x = 446,530,699,033.43
  5. Step 5: Solve for x
    x = 446,530,699,033.43/945,770.16
  6. Step 6: Final answer
    x = 472,134.48

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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.