Home / 1,276,074.03-1,761,106.26-953,223.63

Finding the Fourth Proportional to 1,276,074.03, 1,761,106.26 and 953,223.63

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Solution

The fourth proportional to 1,276,074.03, 1,761,106.26 and 953,223.63 is: 1,315,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,074.03 : 1,761,106.26 = 953,223.63 : x
  2. Step 2: Convert to fraction form
    1,276,074.03/1,761,106.26 = 953,223.63/x
  3. Step 3: Cross multiply
    1,276,074.03x = 1,761,106.26 × 953,223.63
  4. Step 4: Simplify right side
    1,276,074.03x = 1,678,728,101,972.92
  5. Step 5: Solve for x
    x = 1,678,728,101,972.92/1,276,074.03
  6. Step 6: Final answer
    x = 1,315,541.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.