Home / 718,648.34-1,078,720.19-529,322.48

Finding the Fourth Proportional to 718,648.34, 1,078,720.19 and 529,322.48

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Solution

The fourth proportional to 718,648.34, 1,078,720.19 and 529,322.48 is: 794,534.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,648.34 : 1,078,720.19 = 529,322.48 : x
  2. Step 2: Convert to fraction form
    718,648.34/1,078,720.19 = 529,322.48/x
  3. Step 3: Cross multiply
    718,648.34x = 1,078,720.19 × 529,322.48
  4. Step 4: Simplify right side
    718,648.34x = 570,990,838,156.66
  5. Step 5: Solve for x
    x = 570,990,838,156.66/718,648.34
  6. Step 6: Final answer
    x = 794,534.42

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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.