Home / 963,188.96-1,329,197.38-555,288.82

Finding the Fourth Proportional to 963,188.96, 1,329,197.38 and 555,288.82

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Solution

The fourth proportional to 963,188.96, 1,329,197.38 and 555,288.82 is: 766,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,188.96 : 1,329,197.38 = 555,288.82 : x
  2. Step 2: Convert to fraction form
    963,188.96/1,329,197.38 = 555,288.82/x
  3. Step 3: Cross multiply
    963,188.96x = 1,329,197.38 × 555,288.82
  4. Step 4: Simplify right side
    963,188.96x = 738,088,439,976.08
  5. Step 5: Solve for x
    x = 738,088,439,976.08/963,188.96
  6. Step 6: Final answer
    x = 766,296.62

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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.