Home / 691,047.45-1,036,623.66-235,497.11

Finding the Fourth Proportional to 691,047.45, 1,036,623.66 and 235,497.11

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Solution

The fourth proportional to 691,047.45, 1,036,623.66 and 235,497.11 is: 353,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,047.45 : 1,036,623.66 = 235,497.11 : x
  2. Step 2: Convert to fraction form
    691,047.45/1,036,623.66 = 235,497.11/x
  3. Step 3: Cross multiply
    691,047.45x = 1,036,623.66 × 235,497.11
  4. Step 4: Simplify right side
    691,047.45x = 244,121,870,904.50
  5. Step 5: Solve for x
    x = 244,121,870,904.50/691,047.45
  6. Step 6: Final answer
    x = 353,263.54

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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.