Home / 698,155.16-1,047,292.88-192,716.24

Finding the Fourth Proportional to 698,155.16, 1,047,292.88 and 192,716.24

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Solution

The fourth proportional to 698,155.16, 1,047,292.88 and 192,716.24 is: 289,090.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,155.16 : 1,047,292.88 = 192,716.24 : x
  2. Step 2: Convert to fraction form
    698,155.16/1,047,292.88 = 192,716.24/x
  3. Step 3: Cross multiply
    698,155.16x = 1,047,292.88 × 192,716.24
  4. Step 4: Simplify right side
    698,155.16x = 201,830,346,012.37
  5. Step 5: Solve for x
    x = 201,830,346,012.37/698,155.16
  6. Step 6: Final answer
    x = 289,090.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.