Home / 755,726.40-1,042,895.52-416,187.36

Finding the Fourth Proportional to 755,726.40, 1,042,895.52 and 416,187.36

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Solution

The fourth proportional to 755,726.40, 1,042,895.52 and 416,187.36 is: 574,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,726.40 : 1,042,895.52 = 416,187.36 : x
  2. Step 2: Convert to fraction form
    755,726.40/1,042,895.52 = 416,187.36/x
  3. Step 3: Cross multiply
    755,726.40x = 1,042,895.52 × 416,187.36
  4. Step 4: Simplify right side
    755,726.40x = 434,039,933,224.63
  5. Step 5: Solve for x
    x = 434,039,933,224.63/755,726.40
  6. Step 6: Final answer
    x = 574,334.75

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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.