Home / 784,390.39-1,176,585.60-548,194.39

Finding the Fourth Proportional to 784,390.39, 1,176,585.60 and 548,194.39

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Solution

The fourth proportional to 784,390.39, 1,176,585.60 and 548,194.39 is: 822,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,390.39 : 1,176,585.60 = 548,194.39 : x
  2. Step 2: Convert to fraction form
    784,390.39/1,176,585.60 = 548,194.39/x
  3. Step 3: Cross multiply
    784,390.39x = 1,176,585.60 × 548,194.39
  4. Step 4: Simplify right side
    784,390.39x = 644,997,625,274.78
  5. Step 5: Solve for x
    x = 644,997,625,274.78/784,390.39
  6. Step 6: Final answer
    x = 822,291.60

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Double scale
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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.