Home / 656,106.48-981,927.54-403,253.64

Finding the Fourth Proportional to 656,106.48, 981,927.54 and 403,253.64

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Solution

The fourth proportional to 656,106.48, 981,927.54 and 403,253.64 is: 603,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,106.48 : 981,927.54 = 403,253.64 : x
  2. Step 2: Convert to fraction form
    656,106.48/981,927.54 = 403,253.64/x
  3. Step 3: Cross multiply
    656,106.48x = 981,927.54 × 403,253.64
  4. Step 4: Simplify right side
    656,106.48x = 395,965,854,721.25
  5. Step 5: Solve for x
    x = 395,965,854,721.25/656,106.48
  6. Step 6: Final answer
    x = 603,508.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.