Home / 1,779,958.98-2,669,955.21-432,133.43

Finding the Fourth Proportional to 1,779,958.98, 2,669,955.21 and 432,133.43

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Solution

The fourth proportional to 1,779,958.98, 2,669,955.21 and 432,133.43 is: 648,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,958.98 : 2,669,955.21 = 432,133.43 : x
  2. Step 2: Convert to fraction form
    1,779,958.98/2,669,955.21 = 432,133.43/x
  3. Step 3: Cross multiply
    1,779,958.98x = 2,669,955.21 × 432,133.43
  4. Step 4: Simplify right side
    1,779,958.98x = 1,153,776,904,512.39
  5. Step 5: Solve for x
    x = 1,153,776,904,512.39/1,779,958.98
  6. Step 6: Final answer
    x = 648,204.21

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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.