Home / 405,832.20-608,748.30-384,059.40

Finding the Fourth Proportional to 405,832.20, 608,748.30 and 384,059.40

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Solution

The fourth proportional to 405,832.20, 608,748.30 and 384,059.40 is: 576,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,832.20 : 608,748.30 = 384,059.40 : x
  2. Step 2: Convert to fraction form
    405,832.20/608,748.30 = 384,059.40/x
  3. Step 3: Cross multiply
    405,832.20x = 608,748.30 × 384,059.40
  4. Step 4: Simplify right side
    405,832.20x = 233,795,506,849.02
  5. Step 5: Solve for x
    x = 233,795,506,849.02/405,832.20
  6. Step 6: Final answer
    x = 576,089.10

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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.