Home / 1,262,911.91-1,893,503.21-453,278.36

Finding the Fourth Proportional to 1,262,911.91, 1,893,503.21 and 453,278.36

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Solution

The fourth proportional to 1,262,911.91, 1,893,503.21 and 453,278.36 is: 679,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,911.91 : 1,893,503.21 = 453,278.36 : x
  2. Step 2: Convert to fraction form
    1,262,911.91/1,893,503.21 = 453,278.36/x
  3. Step 3: Cross multiply
    1,262,911.91x = 1,893,503.21 × 453,278.36
  4. Step 4: Simplify right side
    1,262,911.91x = 858,284,033,425.75
  5. Step 5: Solve for x
    x = 858,284,033,425.75/1,262,911.91
  6. Step 6: Final answer
    x = 679,607.20

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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.