Home / 869,230.80-1,303,846.20-585,795.60

Finding the Fourth Proportional to 869,230.80, 1,303,846.20 and 585,795.60

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Solution

The fourth proportional to 869,230.80, 1,303,846.20 and 585,795.60 is: 878,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,230.80 : 1,303,846.20 = 585,795.60 : x
  2. Step 2: Convert to fraction form
    869,230.80/1,303,846.20 = 585,795.60/x
  3. Step 3: Cross multiply
    869,230.80x = 1,303,846.20 × 585,795.60
  4. Step 4: Simplify right side
    869,230.80x = 763,787,367,036.72
  5. Step 5: Solve for x
    x = 763,787,367,036.72/869,230.80
  6. Step 6: Final answer
    x = 878,693.40

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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.