Home / 788,827.20-1,183,240.80-368,145.60

Finding the Fourth Proportional to 788,827.20, 1,183,240.80 and 368,145.60

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Solution

The fourth proportional to 788,827.20, 1,183,240.80 and 368,145.60 is: 552,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,827.20 : 1,183,240.80 = 368,145.60 : x
  2. Step 2: Convert to fraction form
    788,827.20/1,183,240.80 = 368,145.60/x
  3. Step 3: Cross multiply
    788,827.20x = 1,183,240.80 × 368,145.60
  4. Step 4: Simplify right side
    788,827.20x = 435,604,894,260.48
  5. Step 5: Solve for x
    x = 435,604,894,260.48/788,827.20
  6. Step 6: Final answer
    x = 552,218.40

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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.