Home / 933,078.30-1,285,850.13-678,025.50

Finding the Fourth Proportional to 933,078.30, 1,285,850.13 and 678,025.50

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Solution

The fourth proportional to 933,078.30, 1,285,850.13 and 678,025.50 is: 934,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,078.30 : 1,285,850.13 = 678,025.50 : x
  2. Step 2: Convert to fraction form
    933,078.30/1,285,850.13 = 678,025.50/x
  3. Step 3: Cross multiply
    933,078.30x = 1,285,850.13 × 678,025.50
  4. Step 4: Simplify right side
    933,078.30x = 871,839,177,318.32
  5. Step 5: Solve for x
    x = 871,839,177,318.32/933,078.30
  6. Step 6: Final answer
    x = 934,368.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.