Home / 700,812.80-1,051,463.15-221,114.66

Finding the Fourth Proportional to 700,812.80, 1,051,463.15 and 221,114.66

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Solution

The fourth proportional to 700,812.80, 1,051,463.15 and 221,114.66 is: 331,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,812.80 : 1,051,463.15 = 221,114.66 : x
  2. Step 2: Convert to fraction form
    700,812.80/1,051,463.15 = 221,114.66/x
  3. Step 3: Cross multiply
    700,812.80x = 1,051,463.15 × 221,114.66
  4. Step 4: Simplify right side
    700,812.80x = 232,493,915,809.21
  5. Step 5: Solve for x
    x = 232,493,915,809.21/700,812.80
  6. Step 6: Final answer
    x = 331,748.96

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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.