Home / 1,698,782.89-2,548,173.62-619,376.28

Finding the Fourth Proportional to 1,698,782.89, 2,548,173.62 and 619,376.28

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Solution

The fourth proportional to 1,698,782.89, 2,548,173.62 and 619,376.28 is: 929,064.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,782.89 : 2,548,173.62 = 619,376.28 : x
  2. Step 2: Convert to fraction form
    1,698,782.89/2,548,173.62 = 619,376.28/x
  3. Step 3: Cross multiply
    1,698,782.89x = 2,548,173.62 × 619,376.28
  4. Step 4: Simplify right side
    1,698,782.89x = 1,578,278,299,098.17
  5. Step 5: Solve for x
    x = 1,578,278,299,098.17/1,698,782.89
  6. Step 6: Final answer
    x = 929,064.16

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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.