Home / 423,082.20-634,769.10-186,594.60

Finding the Fourth Proportional to 423,082.20, 634,769.10 and 186,594.60

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Solution

The fourth proportional to 423,082.20, 634,769.10 and 186,594.60 is: 279,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,082.20 : 634,769.10 = 186,594.60 : x
  2. Step 2: Convert to fraction form
    423,082.20/634,769.10 = 186,594.60/x
  3. Step 3: Cross multiply
    423,082.20x = 634,769.10 × 186,594.60
  4. Step 4: Simplify right side
    423,082.20x = 118,444,486,306.86
  5. Step 5: Solve for x
    x = 118,444,486,306.86/423,082.20
  6. Step 6: Final answer
    x = 279,956.20

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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.