Home / 1,121,144.24-1,547,183.40-611,858

Finding the Fourth Proportional to 1,121,144.24, 1,547,183.40 and 611,858

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Solution

The fourth proportional to 1,121,144.24, 1,547,183.40 and 611,858 is: 844,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,144.24 : 1,547,183.40 = 611,858 : x
  2. Step 2: Convert to fraction form
    1,121,144.24/1,547,183.40 = 611,858/x
  3. Step 3: Cross multiply
    1,121,144.24x = 1,547,183.40 × 611,858
  4. Step 4: Simplify right side
    1,121,144.24x = 946,656,540,757.20
  5. Step 5: Solve for x
    x = 946,656,540,757.20/1,121,144.24
  6. Step 6: Final answer
    x = 844,366.41

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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.