Home / 769,102.60-1,061,383.46-429,592.72

Finding the Fourth Proportional to 769,102.60, 1,061,383.46 and 429,592.72

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Solution

The fourth proportional to 769,102.60, 1,061,383.46 and 429,592.72 is: 592,850.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,102.60 : 1,061,383.46 = 429,592.72 : x
  2. Step 2: Convert to fraction form
    769,102.60/1,061,383.46 = 429,592.72/x
  3. Step 3: Cross multiply
    769,102.60x = 1,061,383.46 × 429,592.72
  4. Step 4: Simplify right side
    769,102.60x = 455,962,602,742.99
  5. Step 5: Solve for x
    x = 455,962,602,742.99/769,102.60
  6. Step 6: Final answer
    x = 592,850.17

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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.