Home / 935,086.89-1,289,821.53-648,502.41

Finding the Fourth Proportional to 935,086.89, 1,289,821.53 and 648,502.41

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Solution

The fourth proportional to 935,086.89, 1,289,821.53 and 648,502.41 is: 894,518.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,086.89 : 1,289,821.53 = 648,502.41 : x
  2. Step 2: Convert to fraction form
    935,086.89/1,289,821.53 = 648,502.41/x
  3. Step 3: Cross multiply
    935,086.89x = 1,289,821.53 × 648,502.41
  4. Step 4: Simplify right side
    935,086.89x = 836,452,370,674.89
  5. Step 5: Solve for x
    x = 836,452,370,674.89/935,086.89
  6. Step 6: Final answer
    x = 894,518.34

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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.