Home / 925,336.35-1,276,967.57-538,244.64

Finding the Fourth Proportional to 925,336.35, 1,276,967.57 and 538,244.64

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Solution

The fourth proportional to 925,336.35, 1,276,967.57 and 538,244.64 is: 742,779.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,336.35 : 1,276,967.57 = 538,244.64 : x
  2. Step 2: Convert to fraction form
    925,336.35/1,276,967.57 = 538,244.64/x
  3. Step 3: Cross multiply
    925,336.35x = 1,276,967.57 × 538,244.64
  4. Step 4: Simplify right side
    925,336.35x = 687,320,947,315.10
  5. Step 5: Solve for x
    x = 687,320,947,315.10/925,336.35
  6. Step 6: Final answer
    x = 742,779.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.