Home / 1,920,583.72-2,650,459-1,061,199.36

Finding the Fourth Proportional to 1,920,583.72, 2,650,459 and 1,061,199.36

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Solution

The fourth proportional to 1,920,583.72, 2,650,459 and 1,061,199.36 is: 1,464,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,583.72 : 2,650,459 = 1,061,199.36 : x
  2. Step 2: Convert to fraction form
    1,920,583.72/2,650,459 = 1,061,199.36/x
  3. Step 3: Cross multiply
    1,920,583.72x = 2,650,459 × 1,061,199.36
  4. Step 4: Simplify right side
    1,920,583.72x = 2,812,665,394,506.24
  5. Step 5: Solve for x
    x = 2,812,665,394,506.24/1,920,583.72
  6. Step 6: Final answer
    x = 1,464,484.66

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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.