Home / 1,040,445-1,435,930.74-587,765.16

Finding the Fourth Proportional to 1,040,445, 1,435,930.74 and 587,765.16

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Solution

The fourth proportional to 1,040,445, 1,435,930.74 and 587,765.16 is: 811,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,445 : 1,435,930.74 = 587,765.16 : x
  2. Step 2: Convert to fraction form
    1,040,445/1,435,930.74 = 587,765.16/x
  3. Step 3: Cross multiply
    1,040,445x = 1,435,930.74 × 587,765.16
  4. Step 4: Simplify right side
    1,040,445x = 843,990,061,145.02
  5. Step 5: Solve for x
    x = 843,990,061,145.02/1,040,445
  6. Step 6: Final answer
    x = 811,181.81

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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.