Home / 982,065.62-1,355,237.21-552,345.64

Finding the Fourth Proportional to 982,065.62, 1,355,237.21 and 552,345.64

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Solution

The fourth proportional to 982,065.62, 1,355,237.21 and 552,345.64 is: 762,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,065.62 : 1,355,237.21 = 552,345.64 : x
  2. Step 2: Convert to fraction form
    982,065.62/1,355,237.21 = 552,345.64/x
  3. Step 3: Cross multiply
    982,065.62x = 1,355,237.21 × 552,345.64
  4. Step 4: Simplify right side
    982,065.62x = 748,559,354,571.35
  5. Step 5: Solve for x
    x = 748,559,354,571.35/982,065.62
  6. Step 6: Final answer
    x = 762,229.47

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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.