Home / 859,081.80-1,185,535.66-477,108.59

Finding the Fourth Proportional to 859,081.80, 1,185,535.66 and 477,108.59

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Solution

The fourth proportional to 859,081.80, 1,185,535.66 and 477,108.59 is: 658,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,081.80 : 1,185,535.66 = 477,108.59 : x
  2. Step 2: Convert to fraction form
    859,081.80/1,185,535.66 = 477,108.59/x
  3. Step 3: Cross multiply
    859,081.80x = 1,185,535.66 × 477,108.59
  4. Step 4: Simplify right side
    859,081.80x = 565,629,240,911.45
  5. Step 5: Solve for x
    x = 565,629,240,911.45/859,081.80
  6. Step 6: Final answer
    x = 658,411.39

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Double scale
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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.