Home / 579,463.56-868,976.88-242,527.56

Finding the Fourth Proportional to 579,463.56, 868,976.88 and 242,527.56

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Solution

The fourth proportional to 579,463.56, 868,976.88 and 242,527.56 is: 363,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,463.56 : 868,976.88 = 242,527.56 : x
  2. Step 2: Convert to fraction form
    579,463.56/868,976.88 = 242,527.56/x
  3. Step 3: Cross multiply
    579,463.56x = 868,976.88 × 242,527.56
  4. Step 4: Simplify right side
    579,463.56x = 210,750,842,402.81
  5. Step 5: Solve for x
    x = 210,750,842,402.81/579,463.56
  6. Step 6: Final answer
    x = 363,699.91

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.