Home / 528,029.20-791,849.40-173,054.80

Finding the Fourth Proportional to 528,029.20, 791,849.40 and 173,054.80

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Solution

The fourth proportional to 528,029.20, 791,849.40 and 173,054.80 is: 259,518.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,029.20 : 791,849.40 = 173,054.80 : x
  2. Step 2: Convert to fraction form
    528,029.20/791,849.40 = 173,054.80/x
  3. Step 3: Cross multiply
    528,029.20x = 791,849.40 × 173,054.80
  4. Step 4: Simplify right side
    528,029.20x = 137,033,339,547.12
  5. Step 5: Solve for x
    x = 137,033,339,547.12/528,029.20
  6. Step 6: Final answer
    x = 259,518.49

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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.