Home / 928,443.26-1,392,664.90-612,826.34

Finding the Fourth Proportional to 928,443.26, 1,392,664.90 and 612,826.34

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Solution

The fourth proportional to 928,443.26, 1,392,664.90 and 612,826.34 is: 919,239.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,443.26 : 1,392,664.90 = 612,826.34 : x
  2. Step 2: Convert to fraction form
    928,443.26/1,392,664.90 = 612,826.34/x
  3. Step 3: Cross multiply
    928,443.26x = 1,392,664.90 × 612,826.34
  4. Step 4: Simplify right side
    928,443.26x = 853,461,733,513.47
  5. Step 5: Solve for x
    x = 853,461,733,513.47/928,443.26
  6. Step 6: Final answer
    x = 919,239.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.