Home / 683,346.30-1,025,019.45-650,687.10

Finding the Fourth Proportional to 683,346.30, 1,025,019.45 and 650,687.10

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Solution

The fourth proportional to 683,346.30, 1,025,019.45 and 650,687.10 is: 976,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,346.30 : 1,025,019.45 = 650,687.10 : x
  2. Step 2: Convert to fraction form
    683,346.30/1,025,019.45 = 650,687.10/x
  3. Step 3: Cross multiply
    683,346.30x = 1,025,019.45 × 650,687.10
  4. Step 4: Simplify right side
    683,346.30x = 666,966,933,364.10
  5. Step 5: Solve for x
    x = 666,966,933,364.10/683,346.30
  6. Step 6: Final answer
    x = 976,030.65

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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.