Home / 979,880.56-1,352,301.89-544,347.61

Finding the Fourth Proportional to 979,880.56, 1,352,301.89 and 544,347.61

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Solution

The fourth proportional to 979,880.56, 1,352,301.89 and 544,347.61 is: 751,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,880.56 : 1,352,301.89 = 544,347.61 : x
  2. Step 2: Convert to fraction form
    979,880.56/1,352,301.89 = 544,347.61/x
  3. Step 3: Cross multiply
    979,880.56x = 1,352,301.89 × 544,347.61
  4. Step 4: Simplify right side
    979,880.56x = 736,122,295,717.49
  5. Step 5: Solve for x
    x = 736,122,295,717.49/979,880.56
  6. Step 6: Final answer
    x = 751,236.76

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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.