Home / 755,476.27-1,042,555.32-415,944.52

Finding the Fourth Proportional to 755,476.27, 1,042,555.32 and 415,944.52

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Solution

The fourth proportional to 755,476.27, 1,042,555.32 and 415,944.52 is: 574,002.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,476.27 : 1,042,555.32 = 415,944.52 : x
  2. Step 2: Convert to fraction form
    755,476.27/1,042,555.32 = 415,944.52/x
  3. Step 3: Cross multiply
    755,476.27x = 1,042,555.32 × 415,944.52
  4. Step 4: Simplify right side
    755,476.27x = 433,645,169,544.46
  5. Step 5: Solve for x
    x = 433,645,169,544.46/755,476.27
  6. Step 6: Final answer
    x = 574,002.37

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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.