Home / 969,054.75-1,337,422.47-555,753.45

Finding the Fourth Proportional to 969,054.75, 1,337,422.47 and 555,753.45

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Solution

The fourth proportional to 969,054.75, 1,337,422.47 and 555,753.45 is: 767,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,054.75 : 1,337,422.47 = 555,753.45 : x
  2. Step 2: Convert to fraction form
    969,054.75/1,337,422.47 = 555,753.45/x
  3. Step 3: Cross multiply
    969,054.75x = 1,337,422.47 × 555,753.45
  4. Step 4: Simplify right side
    969,054.75x = 743,277,151,810.02
  5. Step 5: Solve for x
    x = 743,277,151,810.02/969,054.75
  6. Step 6: Final answer
    x = 767,012.55

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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.