Home / 821,511.01-1,232,406.63-366,267.43

Finding the Fourth Proportional to 821,511.01, 1,232,406.63 and 366,267.43

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Solution

The fourth proportional to 821,511.01, 1,232,406.63 and 366,267.43 is: 549,463.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,511.01 : 1,232,406.63 = 366,267.43 : x
  2. Step 2: Convert to fraction form
    821,511.01/1,232,406.63 = 366,267.43/x
  3. Step 3: Cross multiply
    821,511.01x = 1,232,406.63 × 366,267.43
  4. Step 4: Simplify right side
    821,511.01x = 451,390,409,085.06
  5. Step 5: Solve for x
    x = 451,390,409,085.06/821,511.01
  6. Step 6: Final answer
    x = 549,463.61

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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.