Home / 775,059.53-1,069,586.30-426,222.43

Finding the Fourth Proportional to 775,059.53, 1,069,586.30 and 426,222.43

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Solution

The fourth proportional to 775,059.53, 1,069,586.30 and 426,222.43 is: 588,189.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,059.53 : 1,069,586.30 = 426,222.43 : x
  2. Step 2: Convert to fraction form
    775,059.53/1,069,586.30 = 426,222.43/x
  3. Step 3: Cross multiply
    775,059.53x = 1,069,586.30 × 426,222.43
  4. Step 4: Simplify right side
    775,059.53x = 455,881,666,532.78
  5. Step 5: Solve for x
    x = 455,881,666,532.78/775,059.53
  6. Step 6: Final answer
    x = 588,189.23

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1.5x scale

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.