Home / 784,224.60-1,176,336.90-251,799.45

Finding the Fourth Proportional to 784,224.60, 1,176,336.90 and 251,799.45

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Solution

The fourth proportional to 784,224.60, 1,176,336.90 and 251,799.45 is: 377,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,224.60 : 1,176,336.90 = 251,799.45 : x
  2. Step 2: Convert to fraction form
    784,224.60/1,176,336.90 = 251,799.45/x
  3. Step 3: Cross multiply
    784,224.60x = 1,176,336.90 × 251,799.45
  4. Step 4: Simplify right side
    784,224.60x = 296,200,984,434.71
  5. Step 5: Solve for x
    x = 296,200,984,434.71/784,224.60
  6. Step 6: Final answer
    x = 377,699.18

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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.