Home / 927,783.60-1,392,136.20-366,836.40

Finding the Fourth Proportional to 927,783.60, 1,392,136.20 and 366,836.40

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Solution

The fourth proportional to 927,783.60, 1,392,136.20 and 366,836.40 is: 550,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,783.60 : 1,392,136.20 = 366,836.40 : x
  2. Step 2: Convert to fraction form
    927,783.60/1,392,136.20 = 366,836.40/x
  3. Step 3: Cross multiply
    927,783.60x = 1,392,136.20 × 366,836.40
  4. Step 4: Simplify right side
    927,783.60x = 510,686,231,917.68
  5. Step 5: Solve for x
    x = 510,686,231,917.68/927,783.60
  6. Step 6: Final answer
    x = 550,436.80

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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.