Home / 809,158.68-1,116,641.35-441,639.21

Finding the Fourth Proportional to 809,158.68, 1,116,641.35 and 441,639.21

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Solution

The fourth proportional to 809,158.68, 1,116,641.35 and 441,639.21 is: 609,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,158.68 : 1,116,641.35 = 441,639.21 : x
  2. Step 2: Convert to fraction form
    809,158.68/1,116,641.35 = 441,639.21/x
  3. Step 3: Cross multiply
    809,158.68x = 1,116,641.35 × 441,639.21
  4. Step 4: Simplify right side
    809,158.68x = 493,152,603,667.33
  5. Step 5: Solve for x
    x = 493,152,603,667.33/809,158.68
  6. Step 6: Final answer
    x = 609,463.40

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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.