Home / 931,697.28-1,285,735.68-529,289.28

Finding the Fourth Proportional to 931,697.28, 1,285,735.68 and 529,289.28

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Solution

The fourth proportional to 931,697.28, 1,285,735.68 and 529,289.28 is: 730,415.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,697.28 : 1,285,735.68 = 529,289.28 : x
  2. Step 2: Convert to fraction form
    931,697.28/1,285,735.68 = 529,289.28/x
  3. Step 3: Cross multiply
    931,697.28x = 1,285,735.68 × 529,289.28
  4. Step 4: Simplify right side
    931,697.28x = 680,526,112,337.51
  5. Step 5: Solve for x
    x = 680,526,112,337.51/931,697.28
  6. Step 6: Final answer
    x = 730,415.48

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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.