Home / 935,636.60-1,290,861.36-763,256.58

Finding the Fourth Proportional to 935,636.60, 1,290,861.36 and 763,256.58

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Solution

The fourth proportional to 935,636.60, 1,290,861.36 and 763,256.58 is: 1,053,035.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,636.60 : 1,290,861.36 = 763,256.58 : x
  2. Step 2: Convert to fraction form
    935,636.60/1,290,861.36 = 763,256.58/x
  3. Step 3: Cross multiply
    935,636.60x = 1,290,861.36 × 763,256.58
  4. Step 4: Simplify right side
    935,636.60x = 985,258,422,047.02
  5. Step 5: Solve for x
    x = 985,258,422,047.02/935,636.60
  6. Step 6: Final answer
    x = 1,053,035.36

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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.