Home / 1,303,035.11-1,945,640-1,167,222.41

Finding the Fourth Proportional to 1,303,035.11, 1,945,640 and 1,167,222.41

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Solution

The fourth proportional to 1,303,035.11, 1,945,640 and 1,167,222.41 is: 1,742,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,035.11 : 1,945,640 = 1,167,222.41 : x
  2. Step 2: Convert to fraction form
    1,303,035.11/1,945,640 = 1,167,222.41/x
  3. Step 3: Cross multiply
    1,303,035.11x = 1,945,640 × 1,167,222.41
  4. Step 4: Simplify right side
    1,303,035.11x = 2,270,994,609,792.40
  5. Step 5: Solve for x
    x = 2,270,994,609,792.40/1,303,035.11
  6. Step 6: Final answer
    x = 1,742,849.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.