Home / 1,237,980-1,708,438.32-701,436

Finding the Fourth Proportional to 1,237,980, 1,708,438.32 and 701,436

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Solution

The fourth proportional to 1,237,980, 1,708,438.32 and 701,436 is: 967,996.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,980 : 1,708,438.32 = 701,436 : x
  2. Step 2: Convert to fraction form
    1,237,980/1,708,438.32 = 701,436/x
  3. Step 3: Cross multiply
    1,237,980x = 1,708,438.32 × 701,436
  4. Step 4: Simplify right side
    1,237,980x = 1,198,360,141,427.52
  5. Step 5: Solve for x
    x = 1,198,360,141,427.52/1,237,980
  6. Step 6: Final answer
    x = 967,996.37

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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.