Home / 697,544.96-1,047,054.72-323,928.32

Finding the Fourth Proportional to 697,544.96, 1,047,054.72 and 323,928.32

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Solution

The fourth proportional to 697,544.96, 1,047,054.72 and 323,928.32 is: 486,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,544.96 : 1,047,054.72 = 323,928.32 : x
  2. Step 2: Convert to fraction form
    697,544.96/1,047,054.72 = 323,928.32/x
  3. Step 3: Cross multiply
    697,544.96x = 1,047,054.72 × 323,928.32
  4. Step 4: Simplify right side
    697,544.96x = 339,170,676,397.67
  5. Step 5: Solve for x
    x = 339,170,676,397.67/697,544.96
  6. Step 6: Final answer
    x = 486,234.86

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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.