Home / 935,087.78-1,289,822.73-648,503.30

Finding the Fourth Proportional to 935,087.78, 1,289,822.73 and 648,503.30

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Solution

The fourth proportional to 935,087.78, 1,289,822.73 and 648,503.30 is: 894,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,087.78 : 1,289,822.73 = 648,503.30 : x
  2. Step 2: Convert to fraction form
    935,087.78/1,289,822.73 = 648,503.30/x
  3. Step 3: Cross multiply
    935,087.78x = 1,289,822.73 × 648,503.30
  4. Step 4: Simplify right side
    935,087.78x = 836,454,296,820.01
  5. Step 5: Solve for x
    x = 836,454,296,820.01/935,087.78
  6. Step 6: Final answer
    x = 894,519.55

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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.