Home / 1,203,160.16-1,805,142.32-393,581.52

Finding the Fourth Proportional to 1,203,160.16, 1,805,142.32 and 393,581.52

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Solution

The fourth proportional to 1,203,160.16, 1,805,142.32 and 393,581.52 is: 590,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,160.16 : 1,805,142.32 = 393,581.52 : x
  2. Step 2: Convert to fraction form
    1,203,160.16/1,805,142.32 = 393,581.52/x
  3. Step 3: Cross multiply
    1,203,160.16x = 1,805,142.32 × 393,581.52
  4. Step 4: Simplify right side
    1,203,160.16x = 710,470,658,121.93
  5. Step 5: Solve for x
    x = 710,470,658,121.93/1,203,160.16
  6. Step 6: Final answer
    x = 590,503.81

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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.