Home / 862,679.34-1,190,387.07-500,053.14

Finding the Fourth Proportional to 862,679.34, 1,190,387.07 and 500,053.14

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Solution

The fourth proportional to 862,679.34, 1,190,387.07 and 500,053.14 is: 690,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,679.34 : 1,190,387.07 = 500,053.14 : x
  2. Step 2: Convert to fraction form
    862,679.34/1,190,387.07 = 500,053.14/x
  3. Step 3: Cross multiply
    862,679.34x = 1,190,387.07 × 500,053.14
  4. Step 4: Simplify right side
    862,679.34x = 595,256,792,168.90
  5. Step 5: Solve for x
    x = 595,256,792,168.90/862,679.34
  6. Step 6: Final answer
    x = 690,009.33

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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.