Home / 966,904.56-1,333,899-644,299.92

Finding the Fourth Proportional to 966,904.56, 1,333,899 and 644,299.92

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Solution

The fourth proportional to 966,904.56, 1,333,899 and 644,299.92 is: 888,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,904.56 : 1,333,899 = 644,299.92 : x
  2. Step 2: Convert to fraction form
    966,904.56/1,333,899 = 644,299.92/x
  3. Step 3: Cross multiply
    966,904.56x = 1,333,899 × 644,299.92
  4. Step 4: Simplify right side
    966,904.56x = 859,431,018,988.08
  5. Step 5: Solve for x
    x = 859,431,018,988.08/966,904.56
  6. Step 6: Final answer
    x = 888,847.83

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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.