Home / 683,462.80-1,025,194.20-649,248.40

Finding the Fourth Proportional to 683,462.80, 1,025,194.20 and 649,248.40

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Solution

The fourth proportional to 683,462.80, 1,025,194.20 and 649,248.40 is: 973,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,462.80 : 1,025,194.20 = 649,248.40 : x
  2. Step 2: Convert to fraction form
    683,462.80/1,025,194.20 = 649,248.40/x
  3. Step 3: Cross multiply
    683,462.80x = 1,025,194.20 × 649,248.40
  4. Step 4: Simplify right side
    683,462.80x = 665,605,694,039.28
  5. Step 5: Solve for x
    x = 665,605,694,039.28/683,462.80
  6. Step 6: Final answer
    x = 973,872.60

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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.