Home / 830,767.20-1,246,150.80-531,585.60

Finding the Fourth Proportional to 830,767.20, 1,246,150.80 and 531,585.60

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Solution

The fourth proportional to 830,767.20, 1,246,150.80 and 531,585.60 is: 797,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,767.20 : 1,246,150.80 = 531,585.60 : x
  2. Step 2: Convert to fraction form
    830,767.20/1,246,150.80 = 531,585.60/x
  3. Step 3: Cross multiply
    830,767.20x = 1,246,150.80 × 531,585.60
  4. Step 4: Simplify right side
    830,767.20x = 662,435,820,708.48
  5. Step 5: Solve for x
    x = 662,435,820,708.48/830,767.20
  6. Step 6: Final answer
    x = 797,378.40

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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.