Home / 621,828.83-932,638.91-172,595.34

Finding the Fourth Proportional to 621,828.83, 932,638.91 and 172,595.34

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Solution

The fourth proportional to 621,828.83, 932,638.91 and 172,595.34 is: 258,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,828.83 : 932,638.91 = 172,595.34 : x
  2. Step 2: Convert to fraction form
    621,828.83/932,638.91 = 172,595.34/x
  3. Step 3: Cross multiply
    621,828.83x = 932,638.91 × 172,595.34
  4. Step 4: Simplify right side
    621,828.83x = 160,969,128,905.70
  5. Step 5: Solve for x
    x = 160,969,128,905.70/621,828.83
  6. Step 6: Final answer
    x = 258,864.05

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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.