Home / 621,022.08-931,531.96-194,590.55

Finding the Fourth Proportional to 621,022.08, 931,531.96 and 194,590.55

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Solution

The fourth proportional to 621,022.08, 931,531.96 and 194,590.55 is: 291,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,022.08 : 931,531.96 = 194,590.55 : x
  2. Step 2: Convert to fraction form
    621,022.08/931,531.96 = 194,590.55/x
  3. Step 3: Cross multiply
    621,022.08x = 931,531.96 × 194,590.55
  4. Step 4: Simplify right side
    621,022.08x = 181,267,315,466.03
  5. Step 5: Solve for x
    x = 181,267,315,466.03/621,022.08
  6. Step 6: Final answer
    x = 291,885.46

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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.