Home / 1,312,939.40-1,970,186.70-957,057.80

Finding the Fourth Proportional to 1,312,939.40, 1,970,186.70 and 957,057.80

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Solution

The fourth proportional to 1,312,939.40, 1,970,186.70 and 957,057.80 is: 1,436,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,939.40 : 1,970,186.70 = 957,057.80 : x
  2. Step 2: Convert to fraction form
    1,312,939.40/1,970,186.70 = 957,057.80/x
  3. Step 3: Cross multiply
    1,312,939.40x = 1,970,186.70 × 957,057.80
  4. Step 4: Simplify right side
    1,312,939.40x = 1,885,582,548,691.26
  5. Step 5: Solve for x
    x = 1,885,582,548,691.26/1,312,939.40
  6. Step 6: Final answer
    x = 1,436,153.53

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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.