Home / 727,069.50-1,003,433.67-425,516.22

Finding the Fourth Proportional to 727,069.50, 1,003,433.67 and 425,516.22

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Solution

The fourth proportional to 727,069.50, 1,003,433.67 and 425,516.22 is: 587,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,069.50 : 1,003,433.67 = 425,516.22 : x
  2. Step 2: Convert to fraction form
    727,069.50/1,003,433.67 = 425,516.22/x
  3. Step 3: Cross multiply
    727,069.50x = 1,003,433.67 × 425,516.22
  4. Step 4: Simplify right side
    727,069.50x = 426,977,302,279.13
  5. Step 5: Solve for x
    x = 426,977,302,279.13/727,069.50
  6. Step 6: Final answer
    x = 587,257.89

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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.