Home / 798,128.44-1,101,440.46-435,575.66

Finding the Fourth Proportional to 798,128.44, 1,101,440.46 and 435,575.66

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Solution

The fourth proportional to 798,128.44, 1,101,440.46 and 435,575.66 is: 601,107.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,128.44 : 1,101,440.46 = 435,575.66 : x
  2. Step 2: Convert to fraction form
    798,128.44/1,101,440.46 = 435,575.66/x
  3. Step 3: Cross multiply
    798,128.44x = 1,101,440.46 × 435,575.66
  4. Step 4: Simplify right side
    798,128.44x = 479,760,657,637.01
  5. Step 5: Solve for x
    x = 479,760,657,637.01/798,128.44
  6. Step 6: Final answer
    x = 601,107.08

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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.