Home / 789,205.40-1,182,836.10-536,485.40

Finding the Fourth Proportional to 789,205.40, 1,182,836.10 and 536,485.40

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Solution

The fourth proportional to 789,205.40, 1,182,836.10 and 536,485.40 is: 804,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,205.40 : 1,182,836.10 = 536,485.40 : x
  2. Step 2: Convert to fraction form
    789,205.40/1,182,836.10 = 536,485.40/x
  3. Step 3: Cross multiply
    789,205.40x = 1,182,836.10 × 536,485.40
  4. Step 4: Simplify right side
    789,205.40x = 634,574,298,242.94
  5. Step 5: Solve for x
    x = 634,574,298,242.94/789,205.40
  6. Step 6: Final answer
    x = 804,067.35

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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.