Home / 1,008,484.78-1,391,709.21-549,599.46

Finding the Fourth Proportional to 1,008,484.78, 1,391,709.21 and 549,599.46

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Solution

The fourth proportional to 1,008,484.78, 1,391,709.21 and 549,599.46 is: 758,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,484.78 : 1,391,709.21 = 549,599.46 : x
  2. Step 2: Convert to fraction form
    1,008,484.78/1,391,709.21 = 549,599.46/x
  3. Step 3: Cross multiply
    1,008,484.78x = 1,391,709.21 × 549,599.46
  4. Step 4: Simplify right side
    1,008,484.78x = 764,882,630,293.03
  5. Step 5: Solve for x
    x = 764,882,630,293.03/1,008,484.78
  6. Step 6: Final answer
    x = 758,447.37

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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.