Home / 591,208.29-815,867.37-319,276.22

Finding the Fourth Proportional to 591,208.29, 815,867.37 and 319,276.22

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Solution

The fourth proportional to 591,208.29, 815,867.37 and 319,276.22 is: 440,601.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,208.29 : 815,867.37 = 319,276.22 : x
  2. Step 2: Convert to fraction form
    591,208.29/815,867.37 = 319,276.22/x
  3. Step 3: Cross multiply
    591,208.29x = 815,867.37 × 319,276.22
  4. Step 4: Simplify right side
    591,208.29x = 260,487,045,835.61
  5. Step 5: Solve for x
    x = 260,487,045,835.61/591,208.29
  6. Step 6: Final answer
    x = 440,601.14

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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.