Home / 470,424.12-707,035.92-221,281.08

Finding the Fourth Proportional to 470,424.12, 707,035.92 and 221,281.08

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Solution

The fourth proportional to 470,424.12, 707,035.92 and 221,281.08 is: 332,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,424.12 : 707,035.92 = 221,281.08 : x
  2. Step 2: Convert to fraction form
    470,424.12/707,035.92 = 221,281.08/x
  3. Step 3: Cross multiply
    470,424.12x = 707,035.92 × 221,281.08
  4. Step 4: Simplify right side
    470,424.12x = 156,453,671,976.39
  5. Step 5: Solve for x
    x = 156,453,671,976.39/470,424.12
  6. Step 6: Final answer
    x = 332,580.04

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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.