Home / 1,355,758.02-1,871,004.69-811,982.34

Finding the Fourth Proportional to 1,355,758.02, 1,871,004.69 and 811,982.34

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Solution

The fourth proportional to 1,355,758.02, 1,871,004.69 and 811,982.34 is: 1,120,570.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,758.02 : 1,871,004.69 = 811,982.34 : x
  2. Step 2: Convert to fraction form
    1,355,758.02/1,871,004.69 = 811,982.34/x
  3. Step 3: Cross multiply
    1,355,758.02x = 1,871,004.69 × 811,982.34
  4. Step 4: Simplify right side
    1,355,758.02x = 1,519,222,766,337.17
  5. Step 5: Solve for x
    x = 1,519,222,766,337.17/1,355,758.02
  6. Step 6: Final answer
    x = 1,120,570.74

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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.