Home / 1,313,985.63-1,968,422.05-863,337.27

Finding the Fourth Proportional to 1,313,985.63, 1,968,422.05 and 863,337.27

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Solution

The fourth proportional to 1,313,985.63, 1,968,422.05 and 863,337.27 is: 1,293,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,985.63 : 1,968,422.05 = 863,337.27 : x
  2. Step 2: Convert to fraction form
    1,313,985.63/1,968,422.05 = 863,337.27/x
  3. Step 3: Cross multiply
    1,313,985.63x = 1,968,422.05 × 863,337.27
  4. Step 4: Simplify right side
    1,313,985.63x = 1,699,412,118,854.80
  5. Step 5: Solve for x
    x = 1,699,412,118,854.80/1,313,985.63
  6. Step 6: Final answer
    x = 1,293,326.26

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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.