Home / 1,119,834.36-1,678,756.86-436,563.72

Finding the Fourth Proportional to 1,119,834.36, 1,678,756.86 and 436,563.72

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Solution

The fourth proportional to 1,119,834.36, 1,678,756.86 and 436,563.72 is: 654,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,834.36 : 1,678,756.86 = 436,563.72 : x
  2. Step 2: Convert to fraction form
    1,119,834.36/1,678,756.86 = 436,563.72/x
  3. Step 3: Cross multiply
    1,119,834.36x = 1,678,756.86 × 436,563.72
  4. Step 4: Simplify right side
    1,119,834.36x = 732,884,339,777.12
  5. Step 5: Solve for x
    x = 732,884,339,777.12/1,119,834.36
  6. Step 6: Final answer
    x = 654,457.81

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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.