Home / 886,495.36-1,326,389.28-543,714.88

Finding the Fourth Proportional to 886,495.36, 1,326,389.28 and 543,714.88

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Solution

The fourth proportional to 886,495.36, 1,326,389.28 and 543,714.88 is: 813,515.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,495.36 : 1,326,389.28 = 543,714.88 : x
  2. Step 2: Convert to fraction form
    886,495.36/1,326,389.28 = 543,714.88/x
  3. Step 3: Cross multiply
    886,495.36x = 1,326,389.28 × 543,714.88
  4. Step 4: Simplify right side
    886,495.36x = 721,177,588,208.49
  5. Step 5: Solve for x
    x = 721,177,588,208.49/886,495.36
  6. Step 6: Final answer
    x = 813,515.36

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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.