Home / 905,920.80-1,358,876.40-232,000.80

Finding the Fourth Proportional to 905,920.80, 1,358,876.40 and 232,000.80

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Solution

The fourth proportional to 905,920.80, 1,358,876.40 and 232,000.80 is: 347,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,920.80 : 1,358,876.40 = 232,000.80 : x
  2. Step 2: Convert to fraction form
    905,920.80/1,358,876.40 = 232,000.80/x
  3. Step 3: Cross multiply
    905,920.80x = 1,358,876.40 × 232,000.80
  4. Step 4: Simplify right side
    905,920.80x = 315,260,411,901.12
  5. Step 5: Solve for x
    x = 315,260,411,901.12/905,920.80
  6. Step 6: Final answer
    x = 347,999.97

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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.