Home / 683,984.52-943,896.66-382,178.76

Finding the Fourth Proportional to 683,984.52, 943,896.66 and 382,178.76

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Solution

The fourth proportional to 683,984.52, 943,896.66 and 382,178.76 is: 527,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,984.52 : 943,896.66 = 382,178.76 : x
  2. Step 2: Convert to fraction form
    683,984.52/943,896.66 = 382,178.76/x
  3. Step 3: Cross multiply
    683,984.52x = 943,896.66 × 382,178.76
  4. Step 4: Simplify right side
    683,984.52x = 360,737,255,086.94
  5. Step 5: Solve for x
    x = 360,737,255,086.94/683,984.52
  6. Step 6: Final answer
    x = 527,405.58

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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.