Home / 730,467.61-1,008,043.09-408,178.02

Finding the Fourth Proportional to 730,467.61, 1,008,043.09 and 408,178.02

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Solution

The fourth proportional to 730,467.61, 1,008,043.09 and 408,178.02 is: 563,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,467.61 : 1,008,043.09 = 408,178.02 : x
  2. Step 2: Convert to fraction form
    730,467.61/1,008,043.09 = 408,178.02/x
  3. Step 3: Cross multiply
    730,467.61x = 1,008,043.09 × 408,178.02
  4. Step 4: Simplify right side
    730,467.61x = 411,461,032,550.88
  5. Step 5: Solve for x
    x = 411,461,032,550.88/730,467.61
  6. Step 6: Final answer
    x = 563,284.43

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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.