Home / 840,300.12-1,259,205.30-691,597.08

Finding the Fourth Proportional to 840,300.12, 1,259,205.30 and 691,597.08

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Solution

The fourth proportional to 840,300.12, 1,259,205.30 and 691,597.08 is: 1,036,371.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,300.12 : 1,259,205.30 = 691,597.08 : x
  2. Step 2: Convert to fraction form
    840,300.12/1,259,205.30 = 691,597.08/x
  3. Step 3: Cross multiply
    840,300.12x = 1,259,205.30 × 691,597.08
  4. Step 4: Simplify right side
    840,300.12x = 870,862,708,600.52
  5. Step 5: Solve for x
    x = 870,862,708,600.52/840,300.12
  6. Step 6: Final answer
    x = 1,036,371.04

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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.