Home / 1,399,190.63-2,099,152.51-439,607.48

Finding the Fourth Proportional to 1,399,190.63, 2,099,152.51 and 439,607.48

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Solution

The fourth proportional to 1,399,190.63, 2,099,152.51 and 439,607.48 is: 659,526.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,190.63 : 2,099,152.51 = 439,607.48 : x
  2. Step 2: Convert to fraction form
    1,399,190.63/2,099,152.51 = 439,607.48/x
  3. Step 3: Cross multiply
    1,399,190.63x = 2,099,152.51 × 439,607.48
  4. Step 4: Simplify right side
    1,399,190.63x = 922,803,133,461.99
  5. Step 5: Solve for x
    x = 922,803,133,461.99/1,399,190.63
  6. Step 6: Final answer
    x = 659,526.38

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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.