Home / 769,211.28-1,061,511.52-429,679.52

Finding the Fourth Proportional to 769,211.28, 1,061,511.52 and 429,679.52

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Solution

The fourth proportional to 769,211.28, 1,061,511.52 and 429,679.52 is: 592,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,211.28 : 1,061,511.52 = 429,679.52 : x
  2. Step 2: Convert to fraction form
    769,211.28/1,061,511.52 = 429,679.52/x
  3. Step 3: Cross multiply
    769,211.28x = 1,061,511.52 × 429,679.52
  4. Step 4: Simplify right side
    769,211.28x = 456,109,760,388.07
  5. Step 5: Solve for x
    x = 456,109,760,388.07/769,211.28
  6. Step 6: Final answer
    x = 592,957.71

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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.