Home / 829,873.20-1,244,809.80-514,945.20

Finding the Fourth Proportional to 829,873.20, 1,244,809.80 and 514,945.20

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Solution

The fourth proportional to 829,873.20, 1,244,809.80 and 514,945.20 is: 772,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,873.20 : 1,244,809.80 = 514,945.20 : x
  2. Step 2: Convert to fraction form
    829,873.20/1,244,809.80 = 514,945.20/x
  3. Step 3: Cross multiply
    829,873.20x = 1,244,809.80 × 514,945.20
  4. Step 4: Simplify right side
    829,873.20x = 641,008,831,422.96
  5. Step 5: Solve for x
    x = 641,008,831,422.96/829,873.20
  6. Step 6: Final answer
    x = 772,417.80

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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.