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Finding the Fourth Proportional to 1,424,500.66, 1,965,733.04 and 779,796.14

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Solution

The fourth proportional to 1,424,500.66, 1,965,733.04 and 779,796.14 is: 1,076,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,500.66 : 1,965,733.04 = 779,796.14 : x
  2. Step 2: Convert to fraction form
    1,424,500.66/1,965,733.04 = 779,796.14/x
  3. Step 3: Cross multiply
    1,424,500.66x = 1,965,733.04 × 779,796.14
  4. Step 4: Simplify right side
    1,424,500.66x = 1,532,871,036,862.47
  5. Step 5: Solve for x
    x = 1,532,871,036,862.47/1,424,500.66
  6. Step 6: Final answer
    x = 1,076,076.05

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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.