Home / 1,518,969.59-2,278,953.29-621,166.46

Finding the Fourth Proportional to 1,518,969.59, 2,278,953.29 and 621,166.46

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Solution

The fourth proportional to 1,518,969.59, 2,278,953.29 and 621,166.46 is: 931,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,969.59 : 2,278,953.29 = 621,166.46 : x
  2. Step 2: Convert to fraction form
    1,518,969.59/2,278,953.29 = 621,166.46/x
  3. Step 3: Cross multiply
    1,518,969.59x = 2,278,953.29 × 621,166.46
  4. Step 4: Simplify right side
    1,518,969.59x = 1,415,609,333,154.05
  5. Step 5: Solve for x
    x = 1,415,609,333,154.05/1,518,969.59
  6. Step 6: Final answer
    x = 931,953.71

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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.