Home / 980,744.04-1,471,113.90-261,085.91

Finding the Fourth Proportional to 980,744.04, 1,471,113.90 and 261,085.91

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Solution

The fourth proportional to 980,744.04, 1,471,113.90 and 261,085.91 is: 391,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,744.04 : 1,471,113.90 = 261,085.91 : x
  2. Step 2: Convert to fraction form
    980,744.04/1,471,113.90 = 261,085.91/x
  3. Step 3: Cross multiply
    980,744.04x = 1,471,113.90 × 261,085.91
  4. Step 4: Simplify right side
    980,744.04x = 384,087,103,939.58
  5. Step 5: Solve for x
    x = 384,087,103,939.58/980,744.04
  6. Step 6: Final answer
    x = 391,628.28

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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.