Home / 839,288.58-1,259,457.74-340,652.58

Finding the Fourth Proportional to 839,288.58, 1,259,457.74 and 340,652.58

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Solution

The fourth proportional to 839,288.58, 1,259,457.74 and 340,652.58 is: 511,191.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,288.58 : 1,259,457.74 = 340,652.58 : x
  2. Step 2: Convert to fraction form
    839,288.58/1,259,457.74 = 340,652.58/x
  3. Step 3: Cross multiply
    839,288.58x = 1,259,457.74 × 340,652.58
  4. Step 4: Simplify right side
    839,288.58x = 429,037,528,531.97
  5. Step 5: Solve for x
    x = 429,037,528,531.97/839,288.58
  6. Step 6: Final answer
    x = 511,191.91

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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.