Home / 693,497.04-1,040,245.80-453,812.94

Finding the Fourth Proportional to 693,497.04, 1,040,245.80 and 453,812.94

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Solution

The fourth proportional to 693,497.04, 1,040,245.80 and 453,812.94 is: 680,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,497.04 : 1,040,245.80 = 453,812.94 : x
  2. Step 2: Convert to fraction form
    693,497.04/1,040,245.80 = 453,812.94/x
  3. Step 3: Cross multiply
    693,497.04x = 1,040,245.80 × 453,812.94
  4. Step 4: Simplify right side
    693,497.04x = 472,077,004,820.65
  5. Step 5: Solve for x
    x = 472,077,004,820.65/693,497.04
  6. Step 6: Final answer
    x = 680,719.57

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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.