Home / 448,856.37-619,331.54-285,577.68

Finding the Fourth Proportional to 448,856.37, 619,331.54 and 285,577.68

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Solution

The fourth proportional to 448,856.37, 619,331.54 and 285,577.68 is: 394,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,856.37 : 619,331.54 = 285,577.68 : x
  2. Step 2: Convert to fraction form
    448,856.37/619,331.54 = 285,577.68/x
  3. Step 3: Cross multiply
    448,856.37x = 619,331.54 × 285,577.68
  4. Step 4: Simplify right side
    448,856.37x = 176,867,262,916.14
  5. Step 5: Solve for x
    x = 176,867,262,916.14/448,856.37
  6. Step 6: Final answer
    x = 394,039.77

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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.