Home / 1,207,581.72-1,666,482.24-691,333.56

Finding the Fourth Proportional to 1,207,581.72, 1,666,482.24 and 691,333.56

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Solution

The fourth proportional to 1,207,581.72, 1,666,482.24 and 691,333.56 is: 954,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,581.72 : 1,666,482.24 = 691,333.56 : x
  2. Step 2: Convert to fraction form
    1,207,581.72/1,666,482.24 = 691,333.56/x
  3. Step 3: Cross multiply
    1,207,581.72x = 1,666,482.24 × 691,333.56
  4. Step 4: Simplify right side
    1,207,581.72x = 1,152,095,099,655.97
  5. Step 5: Solve for x
    x = 1,152,095,099,655.97/1,207,581.72
  6. Step 6: Final answer
    x = 954,051.46

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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.