Home / 755,913.30-1,043,160.44-416,381.55

Finding the Fourth Proportional to 755,913.30, 1,043,160.44 and 416,381.55

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Solution

The fourth proportional to 755,913.30, 1,043,160.44 and 416,381.55 is: 574,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,913.30 : 1,043,160.44 = 416,381.55 : x
  2. Step 2: Convert to fraction form
    755,913.30/1,043,160.44 = 416,381.55/x
  3. Step 3: Cross multiply
    755,913.30x = 1,043,160.44 × 416,381.55
  4. Step 4: Simplify right side
    755,913.30x = 434,352,758,823.97
  5. Step 5: Solve for x
    x = 434,352,758,823.97/755,913.30
  6. Step 6: Final answer
    x = 574,606.58

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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.