Home / 1,461,871.20-2,192,806.80-515,337.60

Finding the Fourth Proportional to 1,461,871.20, 2,192,806.80 and 515,337.60

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Solution

The fourth proportional to 1,461,871.20, 2,192,806.80 and 515,337.60 is: 773,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,871.20 : 2,192,806.80 = 515,337.60 : x
  2. Step 2: Convert to fraction form
    1,461,871.20/2,192,806.80 = 515,337.60/x
  3. Step 3: Cross multiply
    1,461,871.20x = 2,192,806.80 × 515,337.60
  4. Step 4: Simplify right side
    1,461,871.20x = 1,130,035,793,575.68
  5. Step 5: Solve for x
    x = 1,130,035,793,575.68/1,461,871.20
  6. Step 6: Final answer
    x = 773,006.40

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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.