Home / 857,981.38-1,184,186.64-495,464.26

Finding the Fourth Proportional to 857,981.38, 1,184,186.64 and 495,464.26

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Solution

The fourth proportional to 857,981.38, 1,184,186.64 and 495,464.26 is: 683,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,981.38 : 1,184,186.64 = 495,464.26 : x
  2. Step 2: Convert to fraction form
    857,981.38/1,184,186.64 = 495,464.26/x
  3. Step 3: Cross multiply
    857,981.38x = 1,184,186.64 × 495,464.26
  4. Step 4: Simplify right side
    857,981.38x = 586,722,157,289.49
  5. Step 5: Solve for x
    x = 586,722,157,289.49/857,981.38
  6. Step 6: Final answer
    x = 683,840.20

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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.