Home / 1,246,355.70-1,869,533.55-404,907.45

Finding the Fourth Proportional to 1,246,355.70, 1,869,533.55 and 404,907.45

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Solution

The fourth proportional to 1,246,355.70, 1,869,533.55 and 404,907.45 is: 607,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,355.70 : 1,869,533.55 = 404,907.45 : x
  2. Step 2: Convert to fraction form
    1,246,355.70/1,869,533.55 = 404,907.45/x
  3. Step 3: Cross multiply
    1,246,355.70x = 1,869,533.55 × 404,907.45
  4. Step 4: Simplify right side
    1,246,355.70x = 756,988,062,419.95
  5. Step 5: Solve for x
    x = 756,988,062,419.95/1,246,355.70
  6. Step 6: Final answer
    x = 607,361.18

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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.