Home / 1,197,220.78-1,652,199.42-653,391.46

Finding the Fourth Proportional to 1,197,220.78, 1,652,199.42 and 653,391.46

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Solution

The fourth proportional to 1,197,220.78, 1,652,199.42 and 653,391.46 is: 901,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,220.78 : 1,652,199.42 = 653,391.46 : x
  2. Step 2: Convert to fraction form
    1,197,220.78/1,652,199.42 = 653,391.46/x
  3. Step 3: Cross multiply
    1,197,220.78x = 1,652,199.42 × 653,391.46
  4. Step 4: Simplify right side
    1,197,220.78x = 1,079,532,991,244.95
  5. Step 5: Solve for x
    x = 1,079,532,991,244.95/1,197,220.78
  6. Step 6: Final answer
    x = 901,699.18

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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.