Home / 1,253,666.56-1,730,066.72-680,706.72

Finding the Fourth Proportional to 1,253,666.56, 1,730,066.72 and 680,706.72

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Solution

The fourth proportional to 1,253,666.56, 1,730,066.72 and 680,706.72 is: 939,379.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,666.56 : 1,730,066.72 = 680,706.72 : x
  2. Step 2: Convert to fraction form
    1,253,666.56/1,730,066.72 = 680,706.72/x
  3. Step 3: Cross multiply
    1,253,666.56x = 1,730,066.72 × 680,706.72
  4. Step 4: Simplify right side
    1,253,666.56x = 1,177,668,042,352.36
  5. Step 5: Solve for x
    x = 1,177,668,042,352.36/1,253,666.56
  6. Step 6: Final answer
    x = 939,379.00

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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.