Home / 699,971.64-1,048,382.01-490,544.52

Finding the Fourth Proportional to 699,971.64, 1,048,382.01 and 490,544.52

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Solution

The fourth proportional to 699,971.64, 1,048,382.01 and 490,544.52 is: 734,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,971.64 : 1,048,382.01 = 490,544.52 : x
  2. Step 2: Convert to fraction form
    699,971.64/1,048,382.01 = 490,544.52/x
  3. Step 3: Cross multiply
    699,971.64x = 1,048,382.01 × 490,544.52
  4. Step 4: Simplify right side
    699,971.64x = 514,278,049,872.09
  5. Step 5: Solve for x
    x = 514,278,049,872.09/699,971.64
  6. Step 6: Final answer
    x = 734,712.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.