Home / 840,837.40-1,259,412.90-730,245.40

Finding the Fourth Proportional to 840,837.40, 1,259,412.90 and 730,245.40

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Solution

The fourth proportional to 840,837.40, 1,259,412.90 and 730,245.40 is: 1,093,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,837.40 : 1,259,412.90 = 730,245.40 : x
  2. Step 2: Convert to fraction form
    840,837.40/1,259,412.90 = 730,245.40/x
  3. Step 3: Cross multiply
    840,837.40x = 1,259,412.90 × 730,245.40
  4. Step 4: Simplify right side
    840,837.40x = 919,680,476,925.66
  5. Step 5: Solve for x
    x = 919,680,476,925.66/840,837.40
  6. Step 6: Final answer
    x = 1,093,767.33

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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.