Home / 862,318.54-1,190,001.27-499,812.22

Finding the Fourth Proportional to 862,318.54, 1,190,001.27 and 499,812.22

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Solution

The fourth proportional to 862,318.54, 1,190,001.27 and 499,812.22 is: 689,741.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,318.54 : 1,190,001.27 = 499,812.22 : x
  2. Step 2: Convert to fraction form
    862,318.54/1,190,001.27 = 499,812.22/x
  3. Step 3: Cross multiply
    862,318.54x = 1,190,001.27 × 499,812.22
  4. Step 4: Simplify right side
    862,318.54x = 594,777,176,561.52
  5. Step 5: Solve for x
    x = 594,777,176,561.52/862,318.54
  6. Step 6: Final answer
    x = 689,741.84

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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.