Home / 419,204.28-578,403.54-237,875.16

Finding the Fourth Proportional to 419,204.28, 578,403.54 and 237,875.16

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Solution

The fourth proportional to 419,204.28, 578,403.54 and 237,875.16 is: 328,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,204.28 : 578,403.54 = 237,875.16 : x
  2. Step 2: Convert to fraction form
    419,204.28/578,403.54 = 237,875.16/x
  3. Step 3: Cross multiply
    419,204.28x = 578,403.54 × 237,875.16
  4. Step 4: Simplify right side
    419,204.28x = 137,587,834,622.07
  5. Step 5: Solve for x
    x = 137,587,834,622.07/419,204.28
  6. Step 6: Final answer
    x = 328,211.90

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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.