Home / 1,203,817.90-1,805,962.86-445,665.19

Finding the Fourth Proportional to 1,203,817.90, 1,805,962.86 and 445,665.19

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Solution

The fourth proportional to 1,203,817.90, 1,805,962.86 and 445,665.19 is: 668,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,817.90 : 1,805,962.86 = 445,665.19 : x
  2. Step 2: Convert to fraction form
    1,203,817.90/1,805,962.86 = 445,665.19/x
  3. Step 3: Cross multiply
    1,203,817.90x = 1,805,962.86 × 445,665.19
  4. Step 4: Simplify right side
    1,203,817.90x = 804,854,781,259.55
  5. Step 5: Solve for x
    x = 804,854,781,259.55/1,203,817.90
  6. Step 6: Final answer
    x = 668,585.16

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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.