Home / 853,305.40-1,278,114.90-705,849.40

Finding the Fourth Proportional to 853,305.40, 1,278,114.90 and 705,849.40

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Solution

The fourth proportional to 853,305.40, 1,278,114.90 and 705,849.40 is: 1,057,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,305.40 : 1,278,114.90 = 705,849.40 : x
  2. Step 2: Convert to fraction form
    853,305.40/1,278,114.90 = 705,849.40/x
  3. Step 3: Cross multiply
    853,305.40x = 1,278,114.90 × 705,849.40
  4. Step 4: Simplify right side
    853,305.40x = 902,156,635,296.06
  5. Step 5: Solve for x
    x = 902,156,635,296.06/853,305.40
  6. Step 6: Final answer
    x = 1,057,249.42

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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.