Home / 546,870.76-820,301.02-172,893.80

Finding the Fourth Proportional to 546,870.76, 820,301.02 and 172,893.80

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Solution

The fourth proportional to 546,870.76, 820,301.02 and 172,893.80 is: 259,339.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,870.76 : 820,301.02 = 172,893.80 : x
  2. Step 2: Convert to fraction form
    546,870.76/820,301.02 = 172,893.80/x
  3. Step 3: Cross multiply
    546,870.76x = 820,301.02 × 172,893.80
  4. Step 4: Simplify right side
    546,870.76x = 141,824,960,491.68
  5. Step 5: Solve for x
    x = 141,824,960,491.68/546,870.76
  6. Step 6: Final answer
    x = 259,339.08

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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.