Home / 511,565.07-767,136.45-174,632.88

Finding the Fourth Proportional to 511,565.07, 767,136.45 and 174,632.88

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Solution

The fourth proportional to 511,565.07, 767,136.45 and 174,632.88 is: 261,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,565.07 : 767,136.45 = 174,632.88 : x
  2. Step 2: Convert to fraction form
    511,565.07/767,136.45 = 174,632.88/x
  3. Step 3: Cross multiply
    511,565.07x = 767,136.45 × 174,632.88
  4. Step 4: Simplify right side
    511,565.07x = 133,967,247,616.48
  5. Step 5: Solve for x
    x = 133,967,247,616.48/511,565.07
  6. Step 6: Final answer
    x = 261,877.24

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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.