Home / 846,187.80-1,271,355.30-636,235.80

Finding the Fourth Proportional to 846,187.80, 1,271,355.30 and 636,235.80

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Solution

The fourth proportional to 846,187.80, 1,271,355.30 and 636,235.80 is: 955,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,187.80 : 1,271,355.30 = 636,235.80 : x
  2. Step 2: Convert to fraction form
    846,187.80/1,271,355.30 = 636,235.80/x
  3. Step 3: Cross multiply
    846,187.80x = 1,271,355.30 × 636,235.80
  4. Step 4: Simplify right side
    846,187.80x = 808,881,756,379.74
  5. Step 5: Solve for x
    x = 808,881,756,379.74/846,187.80
  6. Step 6: Final answer
    x = 955,912.81

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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.