Home / 1,591,390.95-2,387,063.03-393,313.37

Finding the Fourth Proportional to 1,591,390.95, 2,387,063.03 and 393,313.37

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Solution

The fourth proportional to 1,591,390.95, 2,387,063.03 and 393,313.37 is: 589,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,390.95 : 2,387,063.03 = 393,313.37 : x
  2. Step 2: Convert to fraction form
    1,591,390.95/2,387,063.03 = 393,313.37/x
  3. Step 3: Cross multiply
    1,591,390.95x = 2,387,063.03 × 393,313.37
  4. Step 4: Simplify right side
    1,591,390.95x = 938,863,790,829.83
  5. Step 5: Solve for x
    x = 938,863,790,829.83/1,591,390.95
  6. Step 6: Final answer
    x = 589,964.26

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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.