Home / 1,015,628.26-1,401,546.95-556,743.82

Finding the Fourth Proportional to 1,015,628.26, 1,401,546.95 and 556,743.82

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Solution

The fourth proportional to 1,015,628.26, 1,401,546.95 and 556,743.82 is: 768,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,628.26 : 1,401,546.95 = 556,743.82 : x
  2. Step 2: Convert to fraction form
    1,015,628.26/1,401,546.95 = 556,743.82/x
  3. Step 3: Cross multiply
    1,015,628.26x = 1,401,546.95 × 556,743.82
  4. Step 4: Simplify right side
    1,015,628.26x = 780,302,597,236.47
  5. Step 5: Solve for x
    x = 780,302,597,236.47/1,015,628.26
  6. Step 6: Final answer
    x = 768,295.48

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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.