Home / 527,301.96-727,673.07-285,579

Finding the Fourth Proportional to 527,301.96, 727,673.07 and 285,579

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Solution

The fourth proportional to 527,301.96, 727,673.07 and 285,579 is: 394,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,301.96 : 727,673.07 = 285,579 : x
  2. Step 2: Convert to fraction form
    527,301.96/727,673.07 = 285,579/x
  3. Step 3: Cross multiply
    527,301.96x = 727,673.07 × 285,579
  4. Step 4: Simplify right side
    527,301.96x = 207,808,147,657.53
  5. Step 5: Solve for x
    x = 207,808,147,657.53/527,301.96
  6. Step 6: Final answer
    x = 394,097.05

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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.