Home / 734,080.46-1,100,764.70-430,573.80

Finding the Fourth Proportional to 734,080.46, 1,100,764.70 and 430,573.80

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Solution

The fourth proportional to 734,080.46, 1,100,764.70 and 430,573.80 is: 645,651.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,080.46 : 1,100,764.70 = 430,573.80 : x
  2. Step 2: Convert to fraction form
    734,080.46/1,100,764.70 = 430,573.80/x
  3. Step 3: Cross multiply
    734,080.46x = 1,100,764.70 × 430,573.80
  4. Step 4: Simplify right side
    734,080.46x = 473,960,439,784.86
  5. Step 5: Solve for x
    x = 473,960,439,784.86/734,080.46
  6. Step 6: Final answer
    x = 645,651.89

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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.