Home / 4,205,405.88-6,308,018.16-1,172,690.88

Finding the Fourth Proportional to 4,205,405.88, 6,308,018.16 and 1,172,690.88

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Solution

The fourth proportional to 4,205,405.88, 6,308,018.16 and 1,172,690.88 is: 1,759,011.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205,405.88 : 6,308,018.16 = 1,172,690.88 : x
  2. Step 2: Convert to fraction form
    4,205,405.88/6,308,018.16 = 1,172,690.88/x
  3. Step 3: Cross multiply
    4,205,405.88x = 6,308,018.16 × 1,172,690.88
  4. Step 4: Simplify right side
    4,205,405.88x = 7,397,355,367,106.38
  5. Step 5: Solve for x
    x = 7,397,355,367,106.38/4,205,405.88
  6. Step 6: Final answer
    x = 1,759,011.04

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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.