Home / 802,149.99-1,106,826.42-457,828.71

Finding the Fourth Proportional to 802,149.99, 1,106,826.42 and 457,828.71

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Solution

The fourth proportional to 802,149.99, 1,106,826.42 and 457,828.71 is: 631,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,149.99 : 1,106,826.42 = 457,828.71 : x
  2. Step 2: Convert to fraction form
    802,149.99/1,106,826.42 = 457,828.71/x
  3. Step 3: Cross multiply
    802,149.99x = 1,106,826.42 × 457,828.71
  4. Step 4: Simplify right side
    802,149.99x = 506,736,909,628.78
  5. Step 5: Solve for x
    x = 506,736,909,628.78/802,149.99
  6. Step 6: Final answer
    x = 631,723.39

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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.