Home / 769,539.24-1,061,943.78-430,010.28

Finding the Fourth Proportional to 769,539.24, 1,061,943.78 and 430,010.28

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Solution

The fourth proportional to 769,539.24, 1,061,943.78 and 430,010.28 is: 593,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,539.24 : 1,061,943.78 = 430,010.28 : x
  2. Step 2: Convert to fraction form
    769,539.24/1,061,943.78 = 430,010.28/x
  3. Step 3: Cross multiply
    769,539.24x = 1,061,943.78 × 430,010.28
  4. Step 4: Simplify right side
    769,539.24x = 456,646,742,182.06
  5. Step 5: Solve for x
    x = 456,646,742,182.06/769,539.24
  6. Step 6: Final answer
    x = 593,402.80

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1.5x scale

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.