Home / 578,241.10-863,847.37-374,174.76

Finding the Fourth Proportional to 578,241.10, 863,847.37 and 374,174.76

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Solution

The fourth proportional to 578,241.10, 863,847.37 and 374,174.76 is: 558,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,241.10 : 863,847.37 = 374,174.76 : x
  2. Step 2: Convert to fraction form
    578,241.10/863,847.37 = 374,174.76/x
  3. Step 3: Cross multiply
    578,241.10x = 863,847.37 × 374,174.76
  4. Step 4: Simplify right side
    578,241.10x = 323,229,880,475.51
  5. Step 5: Solve for x
    x = 323,229,880,475.51/578,241.10
  6. Step 6: Final answer
    x = 558,988.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.