Home / 955,205.40-1,318,194.36-547,299.03

Finding the Fourth Proportional to 955,205.40, 1,318,194.36 and 547,299.03

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Solution

The fourth proportional to 955,205.40, 1,318,194.36 and 547,299.03 is: 755,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,205.40 : 1,318,194.36 = 547,299.03 : x
  2. Step 2: Convert to fraction form
    955,205.40/1,318,194.36 = 547,299.03/x
  3. Step 3: Cross multiply
    955,205.40x = 1,318,194.36 × 547,299.03
  4. Step 4: Simplify right side
    955,205.40x = 721,446,494,579.47
  5. Step 5: Solve for x
    x = 721,446,494,579.47/955,205.40
  6. Step 6: Final answer
    x = 755,278.91

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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.