Home / 969,163.89-1,337,490.14-539,471.45

Finding the Fourth Proportional to 969,163.89, 1,337,490.14 and 539,471.45

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Solution

The fourth proportional to 969,163.89, 1,337,490.14 and 539,471.45 is: 744,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,163.89 : 1,337,490.14 = 539,471.45 : x
  2. Step 2: Convert to fraction form
    969,163.89/1,337,490.14 = 539,471.45/x
  3. Step 3: Cross multiply
    969,163.89x = 1,337,490.14 × 539,471.45
  4. Step 4: Simplify right side
    969,163.89x = 721,537,735,801.70
  5. Step 5: Solve for x
    x = 721,537,735,801.70/969,163.89
  6. Step 6: Final answer
    x = 744,495.07

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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.