Home / 697,559.03-962,556.90-391,669.03

Finding the Fourth Proportional to 697,559.03, 962,556.90 and 391,669.03

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Solution

The fourth proportional to 697,559.03, 962,556.90 and 391,669.03 is: 540,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,559.03 : 962,556.90 = 391,669.03 : x
  2. Step 2: Convert to fraction form
    697,559.03/962,556.90 = 391,669.03/x
  3. Step 3: Cross multiply
    697,559.03x = 962,556.90 × 391,669.03
  4. Step 4: Simplify right side
    697,559.03x = 377,003,727,077.24
  5. Step 5: Solve for x
    x = 377,003,727,077.24/697,559.03
  6. Step 6: Final answer
    x = 540,461.40

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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.