Home / 1,143,612-1,577,151.36-713,931.84

Finding the Fourth Proportional to 1,143,612, 1,577,151.36 and 713,931.84

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Solution

The fourth proportional to 1,143,612, 1,577,151.36 and 713,931.84 is: 984,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,612 : 1,577,151.36 = 713,931.84 : x
  2. Step 2: Convert to fraction form
    1,143,612/1,577,151.36 = 713,931.84/x
  3. Step 3: Cross multiply
    1,143,612x = 1,577,151.36 × 713,931.84
  4. Step 4: Simplify right side
    1,143,612x = 1,125,978,572,403.30
  5. Step 5: Solve for x
    x = 1,125,978,572,403.30/1,143,612
  6. Step 6: Final answer
    x = 984,580.94

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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.