Home / 554,457.04-765,455.36-361,033.29

Finding the Fourth Proportional to 554,457.04, 765,455.36 and 361,033.29

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Solution

The fourth proportional to 554,457.04, 765,455.36 and 361,033.29 is: 498,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,457.04 : 765,455.36 = 361,033.29 : x
  2. Step 2: Convert to fraction form
    554,457.04/765,455.36 = 361,033.29/x
  3. Step 3: Cross multiply
    554,457.04x = 765,455.36 × 361,033.29
  4. Step 4: Simplify right side
    554,457.04x = 276,354,867,871.52
  5. Step 5: Solve for x
    x = 276,354,867,871.52/554,457.04
  6. Step 6: Final answer
    x = 498,424.31

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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.