Home / 405,061.11-558,981.68-223,784.73

Finding the Fourth Proportional to 405,061.11, 558,981.68 and 223,784.73

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Solution

The fourth proportional to 405,061.11, 558,981.68 and 223,784.73 is: 308,821.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,061.11 : 558,981.68 = 223,784.73 : x
  2. Step 2: Convert to fraction form
    405,061.11/558,981.68 = 223,784.73/x
  3. Step 3: Cross multiply
    405,061.11x = 558,981.68 × 223,784.73
  4. Step 4: Simplify right side
    405,061.11x = 125,091,563,214.82
  5. Step 5: Solve for x
    x = 125,091,563,214.82/405,061.11
  6. Step 6: Final answer
    x = 308,821.46

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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.