Home / 859,040.58-1,185,443.53-477,091.96

Finding the Fourth Proportional to 859,040.58, 1,185,443.53 and 477,091.96

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Solution

The fourth proportional to 859,040.58, 1,185,443.53 and 477,091.96 is: 658,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,040.58 : 1,185,443.53 = 477,091.96 : x
  2. Step 2: Convert to fraction form
    859,040.58/1,185,443.53 = 477,091.96/x
  3. Step 3: Cross multiply
    859,040.58x = 1,185,443.53 × 477,091.96
  4. Step 4: Simplify right side
    859,040.58x = 565,565,577,197.02
  5. Step 5: Solve for x
    x = 565,565,577,197.02/859,040.58
  6. Step 6: Final answer
    x = 658,368.87

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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.