Home / 631,529.23-871,511.27-359,597.35

Finding the Fourth Proportional to 631,529.23, 871,511.27 and 359,597.35

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Solution

The fourth proportional to 631,529.23, 871,511.27 and 359,597.35 is: 496,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,529.23 : 871,511.27 = 359,597.35 : x
  2. Step 2: Convert to fraction form
    631,529.23/871,511.27 = 359,597.35/x
  3. Step 3: Cross multiply
    631,529.23x = 871,511.27 × 359,597.35
  4. Step 4: Simplify right side
    631,529.23x = 313,393,138,829.58
  5. Step 5: Solve for x
    x = 313,393,138,829.58/631,529.23
  6. Step 6: Final answer
    x = 496,244.87

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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.