Home / 935,081.27-1,289,813.78-648,496.79

Finding the Fourth Proportional to 935,081.27, 1,289,813.78 and 648,496.79

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Solution

The fourth proportional to 935,081.27, 1,289,813.78 and 648,496.79 is: 894,510.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,081.27 : 1,289,813.78 = 648,496.79 : x
  2. Step 2: Convert to fraction form
    935,081.27/1,289,813.78 = 648,496.79/x
  3. Step 3: Cross multiply
    935,081.27x = 1,289,813.78 × 648,496.79
  4. Step 4: Simplify right side
    935,081.27x = 836,440,091,199.94
  5. Step 5: Solve for x
    x = 836,440,091,199.94/935,081.27
  6. Step 6: Final answer
    x = 894,510.59

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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.