Home / 774,735.84-1,069,134.59-430,560.97

Finding the Fourth Proportional to 774,735.84, 1,069,134.59 and 430,560.97

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Solution

The fourth proportional to 774,735.84, 1,069,134.59 and 430,560.97 is: 594,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,735.84 : 1,069,134.59 = 430,560.97 : x
  2. Step 2: Convert to fraction form
    774,735.84/1,069,134.59 = 430,560.97/x
  3. Step 3: Cross multiply
    774,735.84x = 1,069,134.59 × 430,560.97
  4. Step 4: Simplify right side
    774,735.84x = 460,327,624,534.52
  5. Step 5: Solve for x
    x = 460,327,624,534.52/774,735.84
  6. Step 6: Final answer
    x = 594,173.65

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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.