Home / 1,051,857.38-1,578,048.51-303,903.38

Finding the Fourth Proportional to 1,051,857.38, 1,578,048.51 and 303,903.38

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Solution

The fourth proportional to 1,051,857.38, 1,578,048.51 and 303,903.38 is: 455,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,857.38 : 1,578,048.51 = 303,903.38 : x
  2. Step 2: Convert to fraction form
    1,051,857.38/1,578,048.51 = 303,903.38/x
  3. Step 3: Cross multiply
    1,051,857.38x = 1,578,048.51 × 303,903.38
  4. Step 4: Simplify right side
    1,051,857.38x = 479,574,268,102.72
  5. Step 5: Solve for x
    x = 479,574,268,102.72/1,051,857.38
  6. Step 6: Final answer
    x = 455,930.89

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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.