Home / 858,401.36-1,184,740.48-495,760.04

Finding the Fourth Proportional to 858,401.36, 1,184,740.48 and 495,760.04

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Solution

The fourth proportional to 858,401.36, 1,184,740.48 and 495,760.04 is: 684,233.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,401.36 : 1,184,740.48 = 495,760.04 : x
  2. Step 2: Convert to fraction form
    858,401.36/1,184,740.48 = 495,760.04/x
  3. Step 3: Cross multiply
    858,401.36x = 1,184,740.48 × 495,760.04
  4. Step 4: Simplify right side
    858,401.36x = 587,346,987,754.42
  5. Step 5: Solve for x
    x = 587,346,987,754.42/858,401.36
  6. Step 6: Final answer
    x = 684,233.52

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1.5x scale

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.