Home / 552,788.58-827,854.08-315,411.60

Finding the Fourth Proportional to 552,788.58, 827,854.08 and 315,411.60

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Solution

The fourth proportional to 552,788.58, 827,854.08 and 315,411.60 is: 472,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,788.58 : 827,854.08 = 315,411.60 : x
  2. Step 2: Convert to fraction form
    552,788.58/827,854.08 = 315,411.60/x
  3. Step 3: Cross multiply
    552,788.58x = 827,854.08 × 315,411.60
  4. Step 4: Simplify right side
    552,788.58x = 261,114,779,939.33
  5. Step 5: Solve for x
    x = 261,114,779,939.33/552,788.58
  6. Step 6: Final answer
    x = 472,359.22

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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.