Home / 755,836.40-1,043,054.16-416,304.66

Finding the Fourth Proportional to 755,836.40, 1,043,054.16 and 416,304.66

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Solution

The fourth proportional to 755,836.40, 1,043,054.16 and 416,304.66 is: 574,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,836.40 : 1,043,054.16 = 416,304.66 : x
  2. Step 2: Convert to fraction form
    755,836.40/1,043,054.16 = 416,304.66/x
  3. Step 3: Cross multiply
    755,836.40x = 1,043,054.16 × 416,304.66
  4. Step 4: Simplify right side
    755,836.40x = 434,228,307,440.39
  5. Step 5: Solve for x
    x = 434,228,307,440.39/755,836.40
  6. Step 6: Final answer
    x = 574,500.39

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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.