Home / 935,636.48-1,290,861.19-763,256.45

Finding the Fourth Proportional to 935,636.48, 1,290,861.19 and 763,256.45

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Solution

The fourth proportional to 935,636.48, 1,290,861.19 and 763,256.45 is: 1,053,035.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,636.48 : 1,290,861.19 = 763,256.45 : x
  2. Step 2: Convert to fraction form
    935,636.48/1,290,861.19 = 763,256.45/x
  3. Step 3: Cross multiply
    935,636.48x = 1,290,861.19 × 763,256.45
  4. Step 4: Simplify right side
    935,636.48x = 985,258,129,322.18
  5. Step 5: Solve for x
    x = 985,258,129,322.18/935,636.48
  6. Step 6: Final answer
    x = 1,053,035.18

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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.