Home / 755,043.05-1,041,958.80-415,511.30

Finding the Fourth Proportional to 755,043.05, 1,041,958.80 and 415,511.30

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Solution

The fourth proportional to 755,043.05, 1,041,958.80 and 415,511.30 is: 573,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,043.05 : 1,041,958.80 = 415,511.30 : x
  2. Step 2: Convert to fraction form
    755,043.05/1,041,958.80 = 415,511.30/x
  3. Step 3: Cross multiply
    755,043.05x = 1,041,958.80 × 415,511.30
  4. Step 4: Simplify right side
    755,043.05x = 432,945,655,534.44
  5. Step 5: Solve for x
    x = 432,945,655,534.44/755,043.05
  6. Step 6: Final answer
    x = 573,405.26

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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.