Home / 1,405,605.41-1,939,732.89-761,025.50

Finding the Fourth Proportional to 1,405,605.41, 1,939,732.89 and 761,025.50

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Solution

The fourth proportional to 1,405,605.41, 1,939,732.89 and 761,025.50 is: 1,050,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,605.41 : 1,939,732.89 = 761,025.50 : x
  2. Step 2: Convert to fraction form
    1,405,605.41/1,939,732.89 = 761,025.50/x
  3. Step 3: Cross multiply
    1,405,605.41x = 1,939,732.89 × 761,025.50
  4. Step 4: Simplify right side
    1,405,605.41x = 1,476,186,192,478.69
  5. Step 5: Solve for x
    x = 1,476,186,192,478.69/1,405,605.41
  6. Step 6: Final answer
    x = 1,050,213.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.