Home / 591,476.57-816,238.08-319,544.37

Finding the Fourth Proportional to 591,476.57, 816,238.08 and 319,544.37

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Solution

The fourth proportional to 591,476.57, 816,238.08 and 319,544.37 is: 440,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,476.57 : 816,238.08 = 319,544.37 : x
  2. Step 2: Convert to fraction form
    591,476.57/816,238.08 = 319,544.37/x
  3. Step 3: Cross multiply
    591,476.57x = 816,238.08 × 319,544.37
  4. Step 4: Simplify right side
    591,476.57x = 260,824,283,043.61
  5. Step 5: Solve for x
    x = 260,824,283,043.61/591,476.57
  6. Step 6: Final answer
    x = 440,971.45

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1.5x scale

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.