Home / 849,474.47-1,273,575.26-512,436.56

Finding the Fourth Proportional to 849,474.47, 1,273,575.26 and 512,436.56

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Solution

The fourth proportional to 849,474.47, 1,273,575.26 and 512,436.56 is: 768,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,474.47 : 1,273,575.26 = 512,436.56 : x
  2. Step 2: Convert to fraction form
    849,474.47/1,273,575.26 = 512,436.56/x
  3. Step 3: Cross multiply
    849,474.47x = 1,273,575.26 × 512,436.56
  4. Step 4: Simplify right side
    849,474.47x = 652,626,524,824.63
  5. Step 5: Solve for x
    x = 652,626,524,824.63/849,474.47
  6. Step 6: Final answer
    x = 768,270.91

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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.