Home / 724,392.27-1,086,631.80-191,911.77

Finding the Fourth Proportional to 724,392.27, 1,086,631.80 and 191,911.77

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Solution

The fourth proportional to 724,392.27, 1,086,631.80 and 191,911.77 is: 287,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,392.27 : 1,086,631.80 = 191,911.77 : x
  2. Step 2: Convert to fraction form
    724,392.27/1,086,631.80 = 191,911.77/x
  3. Step 3: Cross multiply
    724,392.27x = 1,086,631.80 × 191,911.77
  4. Step 4: Simplify right side
    724,392.27x = 208,537,432,076.29
  5. Step 5: Solve for x
    x = 208,537,432,076.29/724,392.27
  6. Step 6: Final answer
    x = 287,879.15

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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.