Home / 864,036.28-1,192,437.70-476,928.57

Finding the Fourth Proportional to 864,036.28, 1,192,437.70 and 476,928.57

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Solution

The fourth proportional to 864,036.28, 1,192,437.70 and 476,928.57 is: 658,198.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,036.28 : 1,192,437.70 = 476,928.57 : x
  2. Step 2: Convert to fraction form
    864,036.28/1,192,437.70 = 476,928.57/x
  3. Step 3: Cross multiply
    864,036.28x = 1,192,437.70 × 476,928.57
  4. Step 4: Simplify right side
    864,036.28x = 568,707,606,329.67
  5. Step 5: Solve for x
    x = 568,707,606,329.67/864,036.28
  6. Step 6: Final answer
    x = 658,198.76

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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.