Home / 1,312,936.40-1,970,182.20-957,054.80

Finding the Fourth Proportional to 1,312,936.40, 1,970,182.20 and 957,054.80

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Solution

The fourth proportional to 1,312,936.40, 1,970,182.20 and 957,054.80 is: 1,436,149.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,936.40 : 1,970,182.20 = 957,054.80 : x
  2. Step 2: Convert to fraction form
    1,312,936.40/1,970,182.20 = 957,054.80/x
  3. Step 3: Cross multiply
    1,312,936.40x = 1,970,182.20 × 957,054.80
  4. Step 4: Simplify right side
    1,312,936.40x = 1,885,572,331,384.56
  5. Step 5: Solve for x
    x = 1,885,572,331,384.56/1,312,936.40
  6. Step 6: Final answer
    x = 1,436,149.03

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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.