Home / 1,403,672.12-2,105,288.30-457,036.44

Finding the Fourth Proportional to 1,403,672.12, 2,105,288.30 and 457,036.44

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Solution

The fourth proportional to 1,403,672.12, 2,105,288.30 and 457,036.44 is: 685,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,672.12 : 2,105,288.30 = 457,036.44 : x
  2. Step 2: Convert to fraction form
    1,403,672.12/2,105,288.30 = 457,036.44/x
  3. Step 3: Cross multiply
    1,403,672.12x = 2,105,288.30 × 457,036.44
  4. Step 4: Simplify right side
    1,403,672.12x = 962,193,469,805.65
  5. Step 5: Solve for x
    x = 962,193,469,805.65/1,403,672.12
  6. Step 6: Final answer
    x = 685,483.07

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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.