Home / 696,043.80-1,044,065.70-616,728.60

Finding the Fourth Proportional to 696,043.80, 1,044,065.70 and 616,728.60

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Solution

The fourth proportional to 696,043.80, 1,044,065.70 and 616,728.60 is: 925,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,043.80 : 1,044,065.70 = 616,728.60 : x
  2. Step 2: Convert to fraction form
    696,043.80/1,044,065.70 = 616,728.60/x
  3. Step 3: Cross multiply
    696,043.80x = 1,044,065.70 × 616,728.60
  4. Step 4: Simplify right side
    696,043.80x = 643,905,177,469.02
  5. Step 5: Solve for x
    x = 643,905,177,469.02/696,043.80
  6. Step 6: Final answer
    x = 925,092.90

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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.