Home / 1,197,190.07-1,652,157.30-653,360.78

Finding the Fourth Proportional to 1,197,190.07, 1,652,157.30 and 653,360.78

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Solution

The fourth proportional to 1,197,190.07, 1,652,157.30 and 653,360.78 is: 901,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,190.07 : 1,652,157.30 = 653,360.78 : x
  2. Step 2: Convert to fraction form
    1,197,190.07/1,652,157.30 = 653,360.78/x
  3. Step 3: Cross multiply
    1,197,190.07x = 1,652,157.30 × 653,360.78
  4. Step 4: Simplify right side
    1,197,190.07x = 1,079,454,788,791.19
  5. Step 5: Solve for x
    x = 1,079,454,788,791.19/1,197,190.07
  6. Step 6: Final answer
    x = 901,656.98

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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.