Home / 730,470.22-1,008,029.55-408,182.96

Finding the Fourth Proportional to 730,470.22, 1,008,029.55 and 408,182.96

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Solution

The fourth proportional to 730,470.22, 1,008,029.55 and 408,182.96 is: 563,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,470.22 : 1,008,029.55 = 408,182.96 : x
  2. Step 2: Convert to fraction form
    730,470.22/1,008,029.55 = 408,182.96/x
  3. Step 3: Cross multiply
    730,470.22x = 1,008,029.55 × 408,182.96
  4. Step 4: Simplify right side
    730,470.22x = 411,460,489,537.23
  5. Step 5: Solve for x
    x = 411,460,489,537.23/730,470.22
  6. Step 6: Final answer
    x = 563,281.68

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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.