Home / 646,538.22-892,158.84-360,084.96

Finding the Fourth Proportional to 646,538.22, 892,158.84 and 360,084.96

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Solution

The fourth proportional to 646,538.22, 892,158.84 and 360,084.96 is: 496,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,538.22 : 892,158.84 = 360,084.96 : x
  2. Step 2: Convert to fraction form
    646,538.22/892,158.84 = 360,084.96/x
  3. Step 3: Cross multiply
    646,538.22x = 892,158.84 × 360,084.96
  4. Step 4: Simplify right side
    646,538.22x = 321,252,980,215.05
  5. Step 5: Solve for x
    x = 321,252,980,215.05/646,538.22
  6. Step 6: Final answer
    x = 496,881.65

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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.