Home / 1,179,170.16-1,627,312.50-663,086.46

Finding the Fourth Proportional to 1,179,170.16, 1,627,312.50 and 663,086.46

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Solution

The fourth proportional to 1,179,170.16, 1,627,312.50 and 663,086.46 is: 915,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,170.16 : 1,627,312.50 = 663,086.46 : x
  2. Step 2: Convert to fraction form
    1,179,170.16/1,627,312.50 = 663,086.46/x
  3. Step 3: Cross multiply
    1,179,170.16x = 1,627,312.50 × 663,086.46
  4. Step 4: Simplify right side
    1,179,170.16x = 1,079,048,884,938.75
  5. Step 5: Solve for x
    x = 1,079,048,884,938.75/1,179,170.16
  6. Step 6: Final answer
    x = 915,091.75

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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.