Home / 961,182.46-1,326,378.27-531,436.78

Finding the Fourth Proportional to 961,182.46, 1,326,378.27 and 531,436.78

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Solution

The fourth proportional to 961,182.46, 1,326,378.27 and 531,436.78 is: 733,353.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,182.46 : 1,326,378.27 = 531,436.78 : x
  2. Step 2: Convert to fraction form
    961,182.46/1,326,378.27 = 531,436.78/x
  3. Step 3: Cross multiply
    961,182.46x = 1,326,378.27 × 531,436.78
  4. Step 4: Simplify right side
    961,182.46x = 704,886,196,870.77
  5. Step 5: Solve for x
    x = 704,886,196,870.77/961,182.46
  6. Step 6: Final answer
    x = 733,353.16

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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.