Home / 945,701.09-1,418,446.52-338,464.88

Finding the Fourth Proportional to 945,701.09, 1,418,446.52 and 338,464.88

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Solution

The fourth proportional to 945,701.09, 1,418,446.52 and 338,464.88 is: 507,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,701.09 : 1,418,446.52 = 338,464.88 : x
  2. Step 2: Convert to fraction form
    945,701.09/1,418,446.52 = 338,464.88/x
  3. Step 3: Cross multiply
    945,701.09x = 1,418,446.52 × 338,464.88
  4. Step 4: Simplify right side
    945,701.09x = 480,094,335,570.50
  5. Step 5: Solve for x
    x = 480,094,335,570.50/945,701.09
  6. Step 6: Final answer
    x = 507,659.70

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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.