Home / 702,520.20-1,053,890.04-229,095.45

Finding the Fourth Proportional to 702,520.20, 1,053,890.04 and 229,095.45

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Solution

The fourth proportional to 702,520.20, 1,053,890.04 and 229,095.45 is: 343,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,520.20 : 1,053,890.04 = 229,095.45 : x
  2. Step 2: Convert to fraction form
    702,520.20/1,053,890.04 = 229,095.45/x
  3. Step 3: Cross multiply
    702,520.20x = 1,053,890.04 × 229,095.45
  4. Step 4: Simplify right side
    702,520.20x = 241,441,412,964.32
  5. Step 5: Solve for x
    x = 241,441,412,964.32/702,520.20
  6. Step 6: Final answer
    x = 343,678.96

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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.