Home / 1,136,377.56-1,704,123.36-426,018

Finding the Fourth Proportional to 1,136,377.56, 1,704,123.36 and 426,018

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Solution

The fourth proportional to 1,136,377.56, 1,704,123.36 and 426,018 is: 638,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,377.56 : 1,704,123.36 = 426,018 : x
  2. Step 2: Convert to fraction form
    1,136,377.56/1,704,123.36 = 426,018/x
  3. Step 3: Cross multiply
    1,136,377.56x = 1,704,123.36 × 426,018
  4. Step 4: Simplify right side
    1,136,377.56x = 725,987,225,580.48
  5. Step 5: Solve for x
    x = 725,987,225,580.48/1,136,377.56
  6. Step 6: Final answer
    x = 638,860.93

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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.