Home / 436,980.24-603,023.43-243,387.35

Finding the Fourth Proportional to 436,980.24, 603,023.43 and 243,387.35

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Solution

The fourth proportional to 436,980.24, 603,023.43 and 243,387.35 is: 335,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,980.24 : 603,023.43 = 243,387.35 : x
  2. Step 2: Convert to fraction form
    436,980.24/603,023.43 = 243,387.35/x
  3. Step 3: Cross multiply
    436,980.24x = 603,023.43 × 243,387.35
  4. Step 4: Simplify right side
    436,980.24x = 146,768,271,600.49
  5. Step 5: Solve for x
    x = 146,768,271,600.49/436,980.24
  6. Step 6: Final answer
    x = 335,869.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.