Home / 1,116,761.36-1,674,170.04-717,515.60

Finding the Fourth Proportional to 1,116,761.36, 1,674,170.04 and 717,515.60

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Solution

The fourth proportional to 1,116,761.36, 1,674,170.04 and 717,515.60 is: 1,075,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,761.36 : 1,674,170.04 = 717,515.60 : x
  2. Step 2: Convert to fraction form
    1,116,761.36/1,674,170.04 = 717,515.60/x
  3. Step 3: Cross multiply
    1,116,761.36x = 1,674,170.04 × 717,515.60
  4. Step 4: Simplify right side
    1,116,761.36x = 1,201,243,120,752.62
  5. Step 5: Solve for x
    x = 1,201,243,120,752.62/1,116,761.36
  6. Step 6: Final answer
    x = 1,075,648.89

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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.