Home / 516,888.43-774,826.45-289,295.19

Finding the Fourth Proportional to 516,888.43, 774,826.45 and 289,295.19

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Solution

The fourth proportional to 516,888.43, 774,826.45 and 289,295.19 is: 433,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,888.43 : 774,826.45 = 289,295.19 : x
  2. Step 2: Convert to fraction form
    516,888.43/774,826.45 = 289,295.19/x
  3. Step 3: Cross multiply
    516,888.43x = 774,826.45 × 289,295.19
  4. Step 4: Simplify right side
    516,888.43x = 224,153,564,346.54
  5. Step 5: Solve for x
    x = 224,153,564,346.54/516,888.43
  6. Step 6: Final answer
    x = 433,659.48

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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.