Home / 953,721.54-1,316,059.37-545,729.86

Finding the Fourth Proportional to 953,721.54, 1,316,059.37 and 545,729.86

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Solution

The fourth proportional to 953,721.54, 1,316,059.37 and 545,729.86 is: 753,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,721.54 : 1,316,059.37 = 545,729.86 : x
  2. Step 2: Convert to fraction form
    953,721.54/1,316,059.37 = 545,729.86/x
  3. Step 3: Cross multiply
    953,721.54x = 1,316,059.37 × 545,729.86
  4. Step 4: Simplify right side
    953,721.54x = 718,212,890,836.73
  5. Step 5: Solve for x
    x = 718,212,890,836.73/953,721.54
  6. Step 6: Final answer
    x = 753,063.51

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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.