Home / 1,136,374.56-1,704,118.86-426,015

Finding the Fourth Proportional to 1,136,374.56, 1,704,118.86 and 426,015

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Solution

The fourth proportional to 1,136,374.56, 1,704,118.86 and 426,015 is: 638,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,374.56 : 1,704,118.86 = 426,015 : x
  2. Step 2: Convert to fraction form
    1,136,374.56/1,704,118.86 = 426,015/x
  3. Step 3: Cross multiply
    1,136,374.56x = 1,704,118.86 × 426,015
  4. Step 4: Simplify right side
    1,136,374.56x = 725,980,196,142.90
  5. Step 5: Solve for x
    x = 725,980,196,142.90/1,136,374.56
  6. Step 6: Final answer
    x = 638,856.43

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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.