Home / 931,834.89-1,397,783.58-257,859.81

Finding the Fourth Proportional to 931,834.89, 1,397,783.58 and 257,859.81

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Solution

The fourth proportional to 931,834.89, 1,397,783.58 and 257,859.81 is: 386,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,834.89 : 1,397,783.58 = 257,859.81 : x
  2. Step 2: Convert to fraction form
    931,834.89/1,397,783.58 = 257,859.81/x
  3. Step 3: Cross multiply
    931,834.89x = 1,397,783.58 × 257,859.81
  4. Step 4: Simplify right side
    931,834.89x = 360,432,208,359.92
  5. Step 5: Solve for x
    x = 360,432,208,359.92/931,834.89
  6. Step 6: Final answer
    x = 386,798.36

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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.