Home / 1,038,610.75-1,433,287.16-561,682.75

Finding the Fourth Proportional to 1,038,610.75, 1,433,287.16 and 561,682.75

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Solution

The fourth proportional to 1,038,610.75, 1,433,287.16 and 561,682.75 is: 775,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,610.75 : 1,433,287.16 = 561,682.75 : x
  2. Step 2: Convert to fraction form
    1,038,610.75/1,433,287.16 = 561,682.75/x
  3. Step 3: Cross multiply
    1,038,610.75x = 1,433,287.16 × 561,682.75
  4. Step 4: Simplify right side
    1,038,610.75x = 805,052,673,568.49
  5. Step 5: Solve for x
    x = 805,052,673,568.49/1,038,610.75
  6. Step 6: Final answer
    x = 775,124.53

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Double scale
Find fourth proportional to 1,038,611.75, 1,433,288.54 and 561,683.75
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1.5x scale

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.