Home / 1,623,653.82-2,435,623.83-425,572.02

Finding the Fourth Proportional to 1,623,653.82, 2,435,623.83 and 425,572.02

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Solution

The fourth proportional to 1,623,653.82, 2,435,623.83 and 425,572.02 is: 638,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,653.82 : 2,435,623.83 = 425,572.02 : x
  2. Step 2: Convert to fraction form
    1,623,653.82/2,435,623.83 = 425,572.02/x
  3. Step 3: Cross multiply
    1,623,653.82x = 2,435,623.83 × 425,572.02
  4. Step 4: Simplify right side
    1,623,653.82x = 1,036,533,353,293.24
  5. Step 5: Solve for x
    x = 1,036,533,353,293.24/1,623,653.82
  6. Step 6: Final answer
    x = 638,395.54

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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.