Home / 1,077,455.28-1,616,172.24-412,607.28

Finding the Fourth Proportional to 1,077,455.28, 1,616,172.24 and 412,607.28

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Solution

The fourth proportional to 1,077,455.28, 1,616,172.24 and 412,607.28 is: 618,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,455.28 : 1,616,172.24 = 412,607.28 : x
  2. Step 2: Convert to fraction form
    1,077,455.28/1,616,172.24 = 412,607.28/x
  3. Step 3: Cross multiply
    1,077,455.28x = 1,616,172.24 × 412,607.28
  4. Step 4: Simplify right side
    1,077,455.28x = 666,844,431,957.91
  5. Step 5: Solve for x
    x = 666,844,431,957.91/1,077,455.28
  6. Step 6: Final answer
    x = 618,906.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.