Home / 631,151.47-946,735.57-210,427.48

Finding the Fourth Proportional to 631,151.47, 946,735.57 and 210,427.48

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Solution

The fourth proportional to 631,151.47, 946,735.57 and 210,427.48 is: 315,644.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,151.47 : 946,735.57 = 210,427.48 : x
  2. Step 2: Convert to fraction form
    631,151.47/946,735.57 = 210,427.48/x
  3. Step 3: Cross multiply
    631,151.47x = 946,735.57 × 210,427.48
  4. Step 4: Simplify right side
    631,151.47x = 199,219,177,328.56
  5. Step 5: Solve for x
    x = 199,219,177,328.56/631,151.47
  6. Step 6: Final answer
    x = 315,644.01

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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.