Home / 690,630.48-1,035,673.56-335,539.44

Finding the Fourth Proportional to 690,630.48, 1,035,673.56 and 335,539.44

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Solution

The fourth proportional to 690,630.48, 1,035,673.56 and 335,539.44 is: 503,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,630.48 : 1,035,673.56 = 335,539.44 : x
  2. Step 2: Convert to fraction form
    690,630.48/1,035,673.56 = 335,539.44/x
  3. Step 3: Cross multiply
    690,630.48x = 1,035,673.56 × 335,539.44
  4. Step 4: Simplify right side
    690,630.48x = 347,509,326,345.21
  5. Step 5: Solve for x
    x = 347,509,326,345.21/690,630.48
  6. Step 6: Final answer
    x = 503,176.93

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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.