Home / 1,319,174.40-1,976,108-999,872.40

Finding the Fourth Proportional to 1,319,174.40, 1,976,108 and 999,872.40

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Solution

The fourth proportional to 1,319,174.40, 1,976,108 and 999,872.40 is: 1,497,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,174.40 : 1,976,108 = 999,872.40 : x
  2. Step 2: Convert to fraction form
    1,319,174.40/1,976,108 = 999,872.40/x
  3. Step 3: Cross multiply
    1,319,174.40x = 1,976,108 × 999,872.40
  4. Step 4: Simplify right side
    1,319,174.40x = 1,975,855,848,619.20
  5. Step 5: Solve for x
    x = 1,975,855,848,619.20/1,319,174.40
  6. Step 6: Final answer
    x = 1,497,797.30

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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.