Home / 1,700,942.04-2,551,349.28-421,553.76

Finding the Fourth Proportional to 1,700,942.04, 2,551,349.28 and 421,553.76

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Solution

The fourth proportional to 1,700,942.04, 2,551,349.28 and 421,553.76 is: 632,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,942.04 : 2,551,349.28 = 421,553.76 : x
  2. Step 2: Convert to fraction form
    1,700,942.04/2,551,349.28 = 421,553.76/x
  3. Step 3: Cross multiply
    1,700,942.04x = 2,551,349.28 × 421,553.76
  4. Step 4: Simplify right side
    1,700,942.04x = 1,075,530,882,057.29
  5. Step 5: Solve for x
    x = 1,075,530,882,057.29/1,700,942.04
  6. Step 6: Final answer
    x = 632,314.83

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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.