Home / 413,280.36-619,328.52-235,420.11

Finding the Fourth Proportional to 413,280.36, 619,328.52 and 235,420.11

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Solution

The fourth proportional to 413,280.36, 619,328.52 and 235,420.11 is: 352,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,280.36 : 619,328.52 = 235,420.11 : x
  2. Step 2: Convert to fraction form
    413,280.36/619,328.52 = 235,420.11/x
  3. Step 3: Cross multiply
    413,280.36x = 619,328.52 × 235,420.11
  4. Step 4: Simplify right side
    413,280.36x = 145,802,388,304.54
  5. Step 5: Solve for x
    x = 145,802,388,304.54/413,280.36
  6. Step 6: Final answer
    x = 352,792.93

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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.