Home / 621,702.88-932,554.27-172,423.74

Finding the Fourth Proportional to 621,702.88, 932,554.27 and 172,423.74

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Solution

The fourth proportional to 621,702.88, 932,554.27 and 172,423.74 is: 258,635.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,702.88 : 932,554.27 = 172,423.74 : x
  2. Step 2: Convert to fraction form
    621,702.88/932,554.27 = 172,423.74/x
  3. Step 3: Cross multiply
    621,702.88x = 932,554.27 × 172,423.74
  4. Step 4: Simplify right side
    621,702.88x = 160,794,494,555.31
  5. Step 5: Solve for x
    x = 160,794,494,555.31/621,702.88
  6. Step 6: Final answer
    x = 258,635.59

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1.5x scale

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.