Home / 755,965.92-1,043,235.54-416,433.36

Finding the Fourth Proportional to 755,965.92, 1,043,235.54 and 416,433.36

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Solution

The fourth proportional to 755,965.92, 1,043,235.54 and 416,433.36 is: 574,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,965.92 : 1,043,235.54 = 416,433.36 : x
  2. Step 2: Convert to fraction form
    755,965.92/1,043,235.54 = 416,433.36/x
  3. Step 3: Cross multiply
    755,965.92x = 1,043,235.54 × 416,433.36
  4. Step 4: Simplify right side
    755,965.92x = 434,438,081,193.61
  5. Step 5: Solve for x
    x = 434,438,081,193.61/755,965.92
  6. Step 6: Final answer
    x = 574,679.45

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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.