Home / 862,816.34-1,190,690.54-500,454.74

Finding the Fourth Proportional to 862,816.34, 1,190,690.54 and 500,454.74

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Solution

The fourth proportional to 862,816.34, 1,190,690.54 and 500,454.74 is: 690,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,816.34 : 1,190,690.54 = 500,454.74 : x
  2. Step 2: Convert to fraction form
    862,816.34/1,190,690.54 = 500,454.74/x
  3. Step 3: Cross multiply
    862,816.34x = 1,190,690.54 × 500,454.74
  4. Step 4: Simplify right side
    862,816.34x = 595,886,716,160.43
  5. Step 5: Solve for x
    x = 595,886,716,160.43/862,816.34
  6. Step 6: Final answer
    x = 690,629.85

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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.