Home / 1,259,835.61-1,889,760.35-313,206.33

Finding the Fourth Proportional to 1,259,835.61, 1,889,760.35 and 313,206.33

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Solution

The fourth proportional to 1,259,835.61, 1,889,760.35 and 313,206.33 is: 469,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,835.61 : 1,889,760.35 = 313,206.33 : x
  2. Step 2: Convert to fraction form
    1,259,835.61/1,889,760.35 = 313,206.33/x
  3. Step 3: Cross multiply
    1,259,835.61x = 1,889,760.35 × 313,206.33
  4. Step 4: Simplify right side
    1,259,835.61x = 591,884,903,803.02
  5. Step 5: Solve for x
    x = 591,884,903,803.02/1,259,835.61
  6. Step 6: Final answer
    x = 469,811.22

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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.