Home / 1,049,699.74-1,574,799.47-339,727.78

Finding the Fourth Proportional to 1,049,699.74, 1,574,799.47 and 339,727.78

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Solution

The fourth proportional to 1,049,699.74, 1,574,799.47 and 339,727.78 is: 509,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,699.74 : 1,574,799.47 = 339,727.78 : x
  2. Step 2: Convert to fraction form
    1,049,699.74/1,574,799.47 = 339,727.78/x
  3. Step 3: Cross multiply
    1,049,699.74x = 1,574,799.47 × 339,727.78
  4. Step 4: Simplify right side
    1,049,699.74x = 535,003,131,646.68
  5. Step 5: Solve for x
    x = 535,003,131,646.68/1,049,699.74
  6. Step 6: Final answer
    x = 509,672.54

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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.