Home / 1,015,546.12-1,401,597.21-628,486.27

Finding the Fourth Proportional to 1,015,546.12, 1,401,597.21 and 628,486.27

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Solution

The fourth proportional to 1,015,546.12, 1,401,597.21 and 628,486.27 is: 867,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,546.12 : 1,401,597.21 = 628,486.27 : x
  2. Step 2: Convert to fraction form
    1,015,546.12/1,401,597.21 = 628,486.27/x
  3. Step 3: Cross multiply
    1,015,546.12x = 1,401,597.21 × 628,486.27
  4. Step 4: Simplify right side
    1,015,546.12x = 880,884,602,555.31
  5. Step 5: Solve for x
    x = 880,884,602,555.31/1,015,546.12
  6. Step 6: Final answer
    x = 867,399.90

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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.