Home / 773,139.60-1,159,709.40-536,943.60

Finding the Fourth Proportional to 773,139.60, 1,159,709.40 and 536,943.60

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Solution

The fourth proportional to 773,139.60, 1,159,709.40 and 536,943.60 is: 805,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,139.60 : 1,159,709.40 = 536,943.60 : x
  2. Step 2: Convert to fraction form
    773,139.60/1,159,709.40 = 536,943.60/x
  3. Step 3: Cross multiply
    773,139.60x = 1,159,709.40 × 536,943.60
  4. Step 4: Simplify right side
    773,139.60x = 622,698,540,189.84
  5. Step 5: Solve for x
    x = 622,698,540,189.84/773,139.60
  6. Step 6: Final answer
    x = 805,415.40

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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.