Home / 1,174,655-1,620,886.38-691,113.80

Finding the Fourth Proportional to 1,174,655, 1,620,886.38 and 691,113.80

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Solution

The fourth proportional to 1,174,655, 1,620,886.38 and 691,113.80 is: 953,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,655 : 1,620,886.38 = 691,113.80 : x
  2. Step 2: Convert to fraction form
    1,174,655/1,620,886.38 = 691,113.80/x
  3. Step 3: Cross multiply
    1,174,655x = 1,620,886.38 × 691,113.80
  4. Step 4: Simplify right side
    1,174,655x = 1,120,216,945,450.04
  5. Step 5: Solve for x
    x = 1,120,216,945,450.04/1,174,655
  6. Step 6: Final answer
    x = 953,656.13

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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.