Home / 681,834.61-940,888.41-375,894.27

Finding the Fourth Proportional to 681,834.61, 940,888.41 and 375,894.27

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Solution

The fourth proportional to 681,834.61, 940,888.41 and 375,894.27 is: 518,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,834.61 : 940,888.41 = 375,894.27 : x
  2. Step 2: Convert to fraction form
    681,834.61/940,888.41 = 375,894.27/x
  3. Step 3: Cross multiply
    681,834.61x = 940,888.41 × 375,894.27
  4. Step 4: Simplify right side
    681,834.61x = 353,674,560,618.81
  5. Step 5: Solve for x
    x = 353,674,560,618.81/681,834.61
  6. Step 6: Final answer
    x = 518,710.19

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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.