Home / 634,143.94-875,577.90-408,183.10

Finding the Fourth Proportional to 634,143.94, 875,577.90 and 408,183.10

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Solution

The fourth proportional to 634,143.94, 875,577.90 and 408,183.10 is: 563,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,143.94 : 875,577.90 = 408,183.10 : x
  2. Step 2: Convert to fraction form
    634,143.94/875,577.90 = 408,183.10/x
  3. Step 3: Cross multiply
    634,143.94x = 875,577.90 × 408,183.10
  4. Step 4: Simplify right side
    634,143.94x = 357,396,100,855.23
  5. Step 5: Solve for x
    x = 357,396,100,855.23/634,143.94
  6. Step 6: Final answer
    x = 563,588.30

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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.