Home / 927,784.60-1,392,137.70-366,837.40

Finding the Fourth Proportional to 927,784.60, 1,392,137.70 and 366,837.40

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Solution

The fourth proportional to 927,784.60, 1,392,137.70 and 366,837.40 is: 550,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,784.60 : 1,392,137.70 = 366,837.40 : x
  2. Step 2: Convert to fraction form
    927,784.60/1,392,137.70 = 366,837.40/x
  3. Step 3: Cross multiply
    927,784.60x = 1,392,137.70 × 366,837.40
  4. Step 4: Simplify right side
    927,784.60x = 510,688,174,309.98
  5. Step 5: Solve for x
    x = 510,688,174,309.98/927,784.60
  6. Step 6: Final answer
    x = 550,438.30

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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.