Home / 1,051,488.72-1,576,095.84-419,708.16

Finding the Fourth Proportional to 1,051,488.72, 1,576,095.84 and 419,708.16

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Solution

The fourth proportional to 1,051,488.72, 1,576,095.84 and 419,708.16 is: 629,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,488.72 : 1,576,095.84 = 419,708.16 : x
  2. Step 2: Convert to fraction form
    1,051,488.72/1,576,095.84 = 419,708.16/x
  3. Step 3: Cross multiply
    1,051,488.72x = 1,576,095.84 × 419,708.16
  4. Step 4: Simplify right side
    1,051,488.72x = 661,500,284,990.06
  5. Step 5: Solve for x
    x = 661,500,284,990.06/1,051,488.72
  6. Step 6: Final answer
    x = 629,108.30

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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.