Home / 621,900.32-932,917.14-172,623.08

Finding the Fourth Proportional to 621,900.32, 932,917.14 and 172,623.08

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Solution

The fourth proportional to 621,900.32, 932,917.14 and 172,623.08 is: 258,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,900.32 : 932,917.14 = 172,623.08 : x
  2. Step 2: Convert to fraction form
    621,900.32/932,917.14 = 172,623.08/x
  3. Step 3: Cross multiply
    621,900.32x = 932,917.14 × 172,623.08
  4. Step 4: Simplify right side
    621,900.32x = 161,043,032,423.88
  5. Step 5: Solve for x
    x = 161,043,032,423.88/621,900.32
  6. Step 6: Final answer
    x = 258,953.13

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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.