Home / 859,146.50-1,185,622.20-477,208.82

Finding the Fourth Proportional to 859,146.50, 1,185,622.20 and 477,208.82

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Solution

The fourth proportional to 859,146.50, 1,185,622.20 and 477,208.82 is: 658,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,146.50 : 1,185,622.20 = 477,208.82 : x
  2. Step 2: Convert to fraction form
    859,146.50/1,185,622.20 = 477,208.82/x
  3. Step 3: Cross multiply
    859,146.50x = 1,185,622.20 × 477,208.82
  4. Step 4: Simplify right side
    859,146.50x = 565,789,371,027.80
  5. Step 5: Solve for x
    x = 565,789,371,027.80/859,146.50
  6. Step 6: Final answer
    x = 658,548.19

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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.