Home / 1,184,612.40-1,776,917.14-385,892.64

Finding the Fourth Proportional to 1,184,612.40, 1,776,917.14 and 385,892.64

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Solution

The fourth proportional to 1,184,612.40, 1,776,917.14 and 385,892.64 is: 578,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,612.40 : 1,776,917.14 = 385,892.64 : x
  2. Step 2: Convert to fraction form
    1,184,612.40/1,776,917.14 = 385,892.64/x
  3. Step 3: Cross multiply
    1,184,612.40x = 1,776,917.14 × 385,892.64
  4. Step 4: Simplify right side
    1,184,612.40x = 685,699,246,215.85
  5. Step 5: Solve for x
    x = 685,699,246,215.85/1,184,612.40
  6. Step 6: Final answer
    x = 578,838.48

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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.