Home / 1,643,759.40-2,268,191.53-908,614.38

Finding the Fourth Proportional to 1,643,759.40, 2,268,191.53 and 908,614.38

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Solution

The fourth proportional to 1,643,759.40, 2,268,191.53 and 908,614.38 is: 1,253,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,759.40 : 2,268,191.53 = 908,614.38 : x
  2. Step 2: Convert to fraction form
    1,643,759.40/2,268,191.53 = 908,614.38/x
  3. Step 3: Cross multiply
    1,643,759.40x = 2,268,191.53 × 908,614.38
  4. Step 4: Simplify right side
    1,643,759.40x = 2,060,911,450,393.69
  5. Step 5: Solve for x
    x = 2,060,911,450,393.69/1,643,759.40
  6. Step 6: Final answer
    x = 1,253,779.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.