Home / 489,276.20-733,914.30-470,613.80

Finding the Fourth Proportional to 489,276.20, 733,914.30 and 470,613.80

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Solution

The fourth proportional to 489,276.20, 733,914.30 and 470,613.80 is: 705,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,276.20 : 733,914.30 = 470,613.80 : x
  2. Step 2: Convert to fraction form
    489,276.20/733,914.30 = 470,613.80/x
  3. Step 3: Cross multiply
    489,276.20x = 733,914.30 × 470,613.80
  4. Step 4: Simplify right side
    489,276.20x = 345,390,197,597.34
  5. Step 5: Solve for x
    x = 345,390,197,597.34/489,276.20
  6. Step 6: Final answer
    x = 705,920.70

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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.