Home / 782,059.82-1,079,238.75-424,363.82

Finding the Fourth Proportional to 782,059.82, 1,079,238.75 and 424,363.82

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Solution

The fourth proportional to 782,059.82, 1,079,238.75 and 424,363.82 is: 585,620.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,059.82 : 1,079,238.75 = 424,363.82 : x
  2. Step 2: Convert to fraction form
    782,059.82/1,079,238.75 = 424,363.82/x
  3. Step 3: Cross multiply
    782,059.82x = 1,079,238.75 × 424,363.82
  4. Step 4: Simplify right side
    782,059.82x = 457,989,878,642.03
  5. Step 5: Solve for x
    x = 457,989,878,642.03/782,059.82
  6. Step 6: Final answer
    x = 585,620.01

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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.