Home / 930,900.24-1,396,322.46-257,022.72

Finding the Fourth Proportional to 930,900.24, 1,396,322.46 and 257,022.72

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Solution

The fourth proportional to 930,900.24, 1,396,322.46 and 257,022.72 is: 385,526.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,900.24 : 1,396,322.46 = 257,022.72 : x
  2. Step 2: Convert to fraction form
    930,900.24/1,396,322.46 = 257,022.72/x
  3. Step 3: Cross multiply
    930,900.24x = 1,396,322.46 × 257,022.72
  4. Step 4: Simplify right side
    930,900.24x = 358,886,596,666.29
  5. Step 5: Solve for x
    x = 358,886,596,666.29/930,900.24
  6. Step 6: Final answer
    x = 385,526.38

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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.