Home / 931,652.58-1,397,400.86-257,742.30

Finding the Fourth Proportional to 931,652.58, 1,397,400.86 and 257,742.30

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Solution

The fourth proportional to 931,652.58, 1,397,400.86 and 257,742.30 is: 386,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,652.58 : 1,397,400.86 = 257,742.30 : x
  2. Step 2: Convert to fraction form
    931,652.58/1,397,400.86 = 257,742.30/x
  3. Step 3: Cross multiply
    931,652.58x = 1,397,400.86 × 257,742.30
  4. Step 4: Simplify right side
    931,652.58x = 360,169,311,678.38
  5. Step 5: Solve for x
    x = 360,169,311,678.38/931,652.58
  6. Step 6: Final answer
    x = 386,591.87

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1.5x scale

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.