Home / 694,489.59-1,046,939.70-648,196.11

Finding the Fourth Proportional to 694,489.59, 1,046,939.70 and 648,196.11

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Solution

The fourth proportional to 694,489.59, 1,046,939.70 and 648,196.11 is: 977,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,489.59 : 1,046,939.70 = 648,196.11 : x
  2. Step 2: Convert to fraction form
    694,489.59/1,046,939.70 = 648,196.11/x
  3. Step 3: Cross multiply
    694,489.59x = 1,046,939.70 × 648,196.11
  4. Step 4: Simplify right side
    694,489.59x = 678,622,240,944.57
  5. Step 5: Solve for x
    x = 678,622,240,944.57/694,489.59
  6. Step 6: Final answer
    x = 977,152.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.