Home / 935,081.64-1,289,814.30-648,497.16

Finding the Fourth Proportional to 935,081.64, 1,289,814.30 and 648,497.16

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Solution

The fourth proportional to 935,081.64, 1,289,814.30 and 648,497.16 is: 894,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,081.64 : 1,289,814.30 = 648,497.16 : x
  2. Step 2: Convert to fraction form
    935,081.64/1,289,814.30 = 648,497.16/x
  3. Step 3: Cross multiply
    935,081.64x = 1,289,814.30 × 648,497.16
  4. Step 4: Simplify right side
    935,081.64x = 836,440,910,477.39
  5. Step 5: Solve for x
    x = 836,440,910,477.39/935,081.64
  6. Step 6: Final answer
    x = 894,511.10

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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.