Home / 1,347,078-2,020,632.36-460,683.12

Finding the Fourth Proportional to 1,347,078, 2,020,632.36 and 460,683.12

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Solution

The fourth proportional to 1,347,078, 2,020,632.36 and 460,683.12 is: 691,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,078 : 2,020,632.36 = 460,683.12 : x
  2. Step 2: Convert to fraction form
    1,347,078/2,020,632.36 = 460,683.12/x
  3. Step 3: Cross multiply
    1,347,078x = 2,020,632.36 × 460,683.12
  4. Step 4: Simplify right side
    1,347,078x = 930,871,219,977.76
  5. Step 5: Solve for x
    x = 930,871,219,977.76/1,347,078
  6. Step 6: Final answer
    x = 691,029.93

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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.