Home / 867,554.60-1,197,231.37-505,189.76

Finding the Fourth Proportional to 867,554.60, 1,197,231.37 and 505,189.76

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Solution

The fourth proportional to 867,554.60, 1,197,231.37 and 505,189.76 is: 697,165.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,554.60 : 1,197,231.37 = 505,189.76 : x
  2. Step 2: Convert to fraction form
    867,554.60/1,197,231.37 = 505,189.76/x
  3. Step 3: Cross multiply
    867,554.60x = 1,197,231.37 × 505,189.76
  4. Step 4: Simplify right side
    867,554.60x = 604,829,021,225.64
  5. Step 5: Solve for x
    x = 604,829,021,225.64/867,554.60
  6. Step 6: Final answer
    x = 697,165.37

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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.