Home / 857,954.40-1,184,119.20-476,103.84

Finding the Fourth Proportional to 857,954.40, 1,184,119.20 and 476,103.84

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Solution

The fourth proportional to 857,954.40, 1,184,119.20 and 476,103.84 is: 657,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,954.40 : 1,184,119.20 = 476,103.84 : x
  2. Step 2: Convert to fraction form
    857,954.40/1,184,119.20 = 476,103.84/x
  3. Step 3: Cross multiply
    857,954.40x = 1,184,119.20 × 476,103.84
  4. Step 4: Simplify right side
    857,954.40x = 563,763,698,137.73
  5. Step 5: Solve for x
    x = 563,763,698,137.73/857,954.40
  6. Step 6: Final answer
    x = 657,102.17

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Double scale
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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.