Home / 758,073.09-1,045,763.19-451,933.75

Finding the Fourth Proportional to 758,073.09, 1,045,763.19 and 451,933.75

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Solution

The fourth proportional to 758,073.09, 1,045,763.19 and 451,933.75 is: 623,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,073.09 : 1,045,763.19 = 451,933.75 : x
  2. Step 2: Convert to fraction form
    758,073.09/1,045,763.19 = 451,933.75/x
  3. Step 3: Cross multiply
    758,073.09x = 1,045,763.19 × 451,933.75
  4. Step 4: Simplify right side
    758,073.09x = 472,615,680,068.66
  5. Step 5: Solve for x
    x = 472,615,680,068.66/758,073.09
  6. Step 6: Final answer
    x = 623,443.42

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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.