Home / 475,346.14-712,539.43-297,977.71

Finding the Fourth Proportional to 475,346.14, 712,539.43 and 297,977.71

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Solution

The fourth proportional to 475,346.14, 712,539.43 and 297,977.71 is: 446,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,346.14 : 712,539.43 = 297,977.71 : x
  2. Step 2: Convert to fraction form
    475,346.14/712,539.43 = 297,977.71/x
  3. Step 3: Cross multiply
    475,346.14x = 712,539.43 × 297,977.71
  4. Step 4: Simplify right side
    475,346.14x = 212,320,864,073.41
  5. Step 5: Solve for x
    x = 212,320,864,073.41/475,346.14
  6. Step 6: Final answer
    x = 446,665.81

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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.