Home / 776,858.40-1,165,287.60-461,152.80

Finding the Fourth Proportional to 776,858.40, 1,165,287.60 and 461,152.80

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Solution

The fourth proportional to 776,858.40, 1,165,287.60 and 461,152.80 is: 691,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,858.40 : 1,165,287.60 = 461,152.80 : x
  2. Step 2: Convert to fraction form
    776,858.40/1,165,287.60 = 461,152.80/x
  3. Step 3: Cross multiply
    776,858.40x = 1,165,287.60 × 461,152.80
  4. Step 4: Simplify right side
    776,858.40x = 537,375,639,545.28
  5. Step 5: Solve for x
    x = 537,375,639,545.28/776,858.40
  6. Step 6: Final answer
    x = 691,729.20

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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.