Home / 621,815.70-932,032.35-266,769.30

Finding the Fourth Proportional to 621,815.70, 932,032.35 and 266,769.30

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Solution

The fourth proportional to 621,815.70, 932,032.35 and 266,769.30 is: 399,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,815.70 : 932,032.35 = 266,769.30 : x
  2. Step 2: Convert to fraction form
    621,815.70/932,032.35 = 266,769.30/x
  3. Step 3: Cross multiply
    621,815.70x = 932,032.35 × 266,769.30
  4. Step 4: Simplify right side
    621,815.70x = 248,637,617,586.86
  5. Step 5: Solve for x
    x = 248,637,617,586.86/621,815.70
  6. Step 6: Final answer
    x = 399,857.41

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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.