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Finding the Fourth Proportional to 1,303,783.89, 1,799,216.12 and 730,824.06

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Solution

The fourth proportional to 1,303,783.89, 1,799,216.12 and 730,824.06 is: 1,008,534.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,783.89 : 1,799,216.12 = 730,824.06 : x
  2. Step 2: Convert to fraction form
    1,303,783.89/1,799,216.12 = 730,824.06/x
  3. Step 3: Cross multiply
    1,303,783.89x = 1,799,216.12 × 730,824.06
  4. Step 4: Simplify right side
    1,303,783.89x = 1,314,910,425,981.73
  5. Step 5: Solve for x
    x = 1,314,910,425,981.73/1,303,783.89
  6. Step 6: Final answer
    x = 1,008,534.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.