Home / 621,848.40-932,081.40-341,566.80

Finding the Fourth Proportional to 621,848.40, 932,081.40 and 341,566.80

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Solution

The fourth proportional to 621,848.40, 932,081.40 and 341,566.80 is: 511,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,848.40 : 932,081.40 = 341,566.80 : x
  2. Step 2: Convert to fraction form
    621,848.40/932,081.40 = 341,566.80/x
  3. Step 3: Cross multiply
    621,848.40x = 932,081.40 × 341,566.80
  4. Step 4: Simplify right side
    621,848.40x = 318,368,061,137.52
  5. Step 5: Solve for x
    x = 318,368,061,137.52/621,848.40
  6. Step 6: Final answer
    x = 511,970.54

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Double scale
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Similar ratio
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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.