Home / 931,068.64-1,396,575.28-257,190.38

Finding the Fourth Proportional to 931,068.64, 1,396,575.28 and 257,190.38

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Solution

The fourth proportional to 931,068.64, 1,396,575.28 and 257,190.38 is: 385,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,068.64 : 1,396,575.28 = 257,190.38 : x
  2. Step 2: Convert to fraction form
    931,068.64/1,396,575.28 = 257,190.38/x
  3. Step 3: Cross multiply
    931,068.64x = 1,396,575.28 × 257,190.38
  4. Step 4: Simplify right side
    931,068.64x = 359,185,726,961.81
  5. Step 5: Solve for x
    x = 359,185,726,961.81/931,068.64
  6. Step 6: Final answer
    x = 385,777.92

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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.