Home / 260,623.72-390,927.90-73,632.04

Finding the Fourth Proportional to 260,623.72, 390,927.90 and 73,632.04

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Solution

The fourth proportional to 260,623.72, 390,927.90 and 73,632.04 is: 110,445.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,623.72 : 390,927.90 = 73,632.04 : x
  2. Step 2: Convert to fraction form
    260,623.72/390,927.90 = 73,632.04/x
  3. Step 3: Cross multiply
    260,623.72x = 390,927.90 × 73,632.04
  4. Step 4: Simplify right side
    260,623.72x = 28,784,818,769.92
  5. Step 5: Solve for x
    x = 28,784,818,769.92/260,623.72
  6. Step 6: Final answer
    x = 110,445.89

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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.