Home / 1,197,128.47-1,652,072.43-653,299.36

Finding the Fourth Proportional to 1,197,128.47, 1,652,072.43 and 653,299.36

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Solution

The fourth proportional to 1,197,128.47, 1,652,072.43 and 653,299.36 is: 901,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,128.47 : 1,652,072.43 = 653,299.36 : x
  2. Step 2: Convert to fraction form
    1,197,128.47/1,652,072.43 = 653,299.36/x
  3. Step 3: Cross multiply
    1,197,128.47x = 1,652,072.43 × 653,299.36
  4. Step 4: Simplify right side
    1,197,128.47x = 1,079,297,861,192.64
  5. Step 5: Solve for x
    x = 1,079,297,861,192.64/1,197,128.47
  6. Step 6: Final answer
    x = 901,572.29

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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.