Home / 1,139,210.16-1,571,882.44-629,814

Finding the Fourth Proportional to 1,139,210.16, 1,571,882.44 and 629,814

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Solution

The fourth proportional to 1,139,210.16, 1,571,882.44 and 629,814 is: 869,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,210.16 : 1,571,882.44 = 629,814 : x
  2. Step 2: Convert to fraction form
    1,139,210.16/1,571,882.44 = 629,814/x
  3. Step 3: Cross multiply
    1,139,210.16x = 1,571,882.44 × 629,814
  4. Step 4: Simplify right side
    1,139,210.16x = 989,993,567,066.16
  5. Step 5: Solve for x
    x = 989,993,567,066.16/1,139,210.16
  6. Step 6: Final answer
    x = 869,017.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.