Home / 893,838.60-1,340,790.30-262,816.20

Finding the Fourth Proportional to 893,838.60, 1,340,790.30 and 262,816.20

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Solution

The fourth proportional to 893,838.60, 1,340,790.30 and 262,816.20 is: 394,233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,838.60 : 1,340,790.30 = 262,816.20 : x
  2. Step 2: Convert to fraction form
    893,838.60/1,340,790.30 = 262,816.20/x
  3. Step 3: Cross multiply
    893,838.60x = 1,340,790.30 × 262,816.20
  4. Step 4: Simplify right side
    893,838.60x = 352,381,411,642.86
  5. Step 5: Solve for x
    x = 352,381,411,642.86/893,838.60
  6. Step 6: Final answer
    x = 394,233.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.