Home / 419,022.90-578,264.70-237,742.46

Finding the Fourth Proportional to 419,022.90, 578,264.70 and 237,742.46

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Solution

The fourth proportional to 419,022.90, 578,264.70 and 237,742.46 is: 328,092.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,022.90 : 578,264.70 = 237,742.46 : x
  2. Step 2: Convert to fraction form
    419,022.90/578,264.70 = 237,742.46/x
  3. Step 3: Cross multiply
    419,022.90x = 578,264.70 × 237,742.46
  4. Step 4: Simplify right side
    419,022.90x = 137,478,072,309.16
  5. Step 5: Solve for x
    x = 137,478,072,309.16/419,022.90
  6. Step 6: Final answer
    x = 328,092.03

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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.