Home / 928,525.52-1,392,788.73-612,908.66

Finding the Fourth Proportional to 928,525.52, 1,392,788.73 and 612,908.66

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Solution

The fourth proportional to 928,525.52, 1,392,788.73 and 612,908.66 is: 919,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,525.52 : 1,392,788.73 = 612,908.66 : x
  2. Step 2: Convert to fraction form
    928,525.52/1,392,788.73 = 612,908.66/x
  3. Step 3: Cross multiply
    928,525.52x = 1,392,788.73 × 612,908.66
  4. Step 4: Simplify right side
    928,525.52x = 853,652,274,167.40
  5. Step 5: Solve for x
    x = 853,652,274,167.40/928,525.52
  6. Step 6: Final answer
    x = 919,363.29

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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.