Home / 550,276.79-824,999.18-360,784.80

Finding the Fourth Proportional to 550,276.79, 824,999.18 and 360,784.80

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Solution

The fourth proportional to 550,276.79, 824,999.18 and 360,784.80 is: 540,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,276.79 : 824,999.18 = 360,784.80 : x
  2. Step 2: Convert to fraction form
    550,276.79/824,999.18 = 360,784.80/x
  3. Step 3: Cross multiply
    550,276.79x = 824,999.18 × 360,784.80
  4. Step 4: Simplify right side
    550,276.79x = 297,647,162,352.54
  5. Step 5: Solve for x
    x = 297,647,162,352.54/550,276.79
  6. Step 6: Final answer
    x = 540,904.45

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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.