Home / 317,000.04-436,724.83-221,355.24

Finding the Fourth Proportional to 317,000.04, 436,724.83 and 221,355.24

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Solution

The fourth proportional to 317,000.04, 436,724.83 and 221,355.24 is: 304,956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,000.04 : 436,724.83 = 221,355.24 : x
  2. Step 2: Convert to fraction form
    317,000.04/436,724.83 = 221,355.24/x
  3. Step 3: Cross multiply
    317,000.04x = 436,724.83 × 221,355.24
  4. Step 4: Simplify right side
    317,000.04x = 96,671,329,558.61
  5. Step 5: Solve for x
    x = 96,671,329,558.61/317,000.04
  6. Step 6: Final answer
    x = 304,956.84

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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.