Home / 683,139.10-1,024,708.65-262,425.10

Finding the Fourth Proportional to 683,139.10, 1,024,708.65 and 262,425.10

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Solution

The fourth proportional to 683,139.10, 1,024,708.65 and 262,425.10 is: 393,637.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,139.10 : 1,024,708.65 = 262,425.10 : x
  2. Step 2: Convert to fraction form
    683,139.10/1,024,708.65 = 262,425.10/x
  3. Step 3: Cross multiply
    683,139.10x = 1,024,708.65 × 262,425.10
  4. Step 4: Simplify right side
    683,139.10x = 268,909,269,947.12
  5. Step 5: Solve for x
    x = 268,909,269,947.12/683,139.10
  6. Step 6: Final answer
    x = 393,637.65

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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.