Home / 756,240.76-1,043,634.52-416,730.88

Finding the Fourth Proportional to 756,240.76, 1,043,634.52 and 416,730.88

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Solution

The fourth proportional to 756,240.76, 1,043,634.52 and 416,730.88 is: 575,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,240.76 : 1,043,634.52 = 416,730.88 : x
  2. Step 2: Convert to fraction form
    756,240.76/1,043,634.52 = 416,730.88/x
  3. Step 3: Cross multiply
    756,240.76x = 1,043,634.52 × 416,730.88
  4. Step 4: Simplify right side
    756,240.76x = 434,914,731,917.98
  5. Step 5: Solve for x
    x = 434,914,731,917.98/756,240.76
  6. Step 6: Final answer
    x = 575,100.89

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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.