Home / 953,785.50-1,430,899.80-279,839.58

Finding the Fourth Proportional to 953,785.50, 1,430,899.80 and 279,839.58

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Solution

The fourth proportional to 953,785.50, 1,430,899.80 and 279,839.58 is: 419,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,785.50 : 1,430,899.80 = 279,839.58 : x
  2. Step 2: Convert to fraction form
    953,785.50/1,430,899.80 = 279,839.58/x
  3. Step 3: Cross multiply
    953,785.50x = 1,430,899.80 × 279,839.58
  4. Step 4: Simplify right side
    953,785.50x = 400,422,399,054.08
  5. Step 5: Solve for x
    x = 400,422,399,054.08/953,785.50
  6. Step 6: Final answer
    x = 419,824.37

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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.