Home / 1,072,518.84-1,608,985.62-407,619

Finding the Fourth Proportional to 1,072,518.84, 1,608,985.62 and 407,619

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Solution

The fourth proportional to 1,072,518.84, 1,608,985.62 and 407,619 is: 611,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,518.84 : 1,608,985.62 = 407,619 : x
  2. Step 2: Convert to fraction form
    1,072,518.84/1,608,985.62 = 407,619/x
  3. Step 3: Cross multiply
    1,072,518.84x = 1,608,985.62 × 407,619
  4. Step 4: Simplify right side
    1,072,518.84x = 655,853,109,438.78
  5. Step 5: Solve for x
    x = 655,853,109,438.78/1,072,518.84
  6. Step 6: Final answer
    x = 611,507.31

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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.