Home / 621,823.83-932,631.40-172,590.33

Finding the Fourth Proportional to 621,823.83, 932,631.40 and 172,590.33

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Solution

The fourth proportional to 621,823.83, 932,631.40 and 172,590.33 is: 258,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,823.83 : 932,631.40 = 172,590.33 : x
  2. Step 2: Convert to fraction form
    621,823.83/932,631.40 = 172,590.33/x
  3. Step 3: Cross multiply
    621,823.83x = 932,631.40 × 172,590.33
  4. Step 4: Simplify right side
    621,823.83x = 160,963,161,094.36
  5. Step 5: Solve for x
    x = 160,963,161,094.36/621,823.83
  6. Step 6: Final answer
    x = 258,856.53

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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.