Home / 683,214.01-942,824.61-377,282.79

Finding the Fourth Proportional to 683,214.01, 942,824.61 and 377,282.79

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Solution

The fourth proportional to 683,214.01, 942,824.61 and 377,282.79 is: 520,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,214.01 : 942,824.61 = 377,282.79 : x
  2. Step 2: Convert to fraction form
    683,214.01/942,824.61 = 377,282.79/x
  3. Step 3: Cross multiply
    683,214.01x = 942,824.61 × 377,282.79
  4. Step 4: Simplify right side
    683,214.01x = 355,711,499,341.46
  5. Step 5: Solve for x
    x = 355,711,499,341.46/683,214.01
  6. Step 6: Final answer
    x = 520,644.33

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Double scale
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Similar ratio
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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.