Home / 1,641,868.02-2,265,756.39-916,728.06

Finding the Fourth Proportional to 1,641,868.02, 2,265,756.39 and 916,728.06

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Solution

The fourth proportional to 1,641,868.02, 2,265,756.39 and 916,728.06 is: 1,265,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,868.02 : 2,265,756.39 = 916,728.06 : x
  2. Step 2: Convert to fraction form
    1,641,868.02/2,265,756.39 = 916,728.06/x
  3. Step 3: Cross multiply
    1,641,868.02x = 2,265,756.39 × 916,728.06
  4. Step 4: Simplify right side
    1,641,868.02x = 2,077,082,459,837.30
  5. Step 5: Solve for x
    x = 2,077,082,459,837.30/1,641,868.02
  6. Step 6: Final answer
    x = 1,265,072.73

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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.