Home / 591,069.86-815,717.89-336,421.05

Finding the Fourth Proportional to 591,069.86, 815,717.89 and 336,421.05

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Solution

The fourth proportional to 591,069.86, 815,717.89 and 336,421.05 is: 464,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,069.86 : 815,717.89 = 336,421.05 : x
  2. Step 2: Convert to fraction form
    591,069.86/815,717.89 = 336,421.05/x
  3. Step 3: Cross multiply
    591,069.86x = 815,717.89 × 336,421.05
  4. Step 4: Simplify right side
    591,069.86x = 274,424,666,419.17
  5. Step 5: Solve for x
    x = 274,424,666,419.17/591,069.86
  6. Step 6: Final answer
    x = 464,284.66

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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.