Home / 578,971.28-868,612.64-241,899.90

Finding the Fourth Proportional to 578,971.28, 868,612.64 and 241,899.90

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Solution

The fourth proportional to 578,971.28, 868,612.64 and 241,899.90 is: 362,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,971.28 : 868,612.64 = 241,899.90 : x
  2. Step 2: Convert to fraction form
    578,971.28/868,612.64 = 241,899.90/x
  3. Step 3: Cross multiply
    578,971.28x = 868,612.64 × 241,899.90
  4. Step 4: Simplify right side
    578,971.28x = 210,117,309,545.24
  5. Step 5: Solve for x
    x = 210,117,309,545.24/578,971.28
  6. Step 6: Final answer
    x = 362,914.91

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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.