Home / 696,109.20-1,044,163.80-456,608.40

Finding the Fourth Proportional to 696,109.20, 1,044,163.80 and 456,608.40

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Solution

The fourth proportional to 696,109.20, 1,044,163.80 and 456,608.40 is: 684,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,109.20 : 1,044,163.80 = 456,608.40 : x
  2. Step 2: Convert to fraction form
    696,109.20/1,044,163.80 = 456,608.40/x
  3. Step 3: Cross multiply
    696,109.20x = 1,044,163.80 × 456,608.40
  4. Step 4: Simplify right side
    696,109.20x = 476,773,962,055.92
  5. Step 5: Solve for x
    x = 476,773,962,055.92/696,109.20
  6. Step 6: Final answer
    x = 684,912.60

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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.