Home / 1,212,826.40-1,816,615.20-651,204.80

Finding the Fourth Proportional to 1,212,826.40, 1,816,615.20 and 651,204.80

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Solution

The fourth proportional to 1,212,826.40, 1,816,615.20 and 651,204.80 is: 975,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,826.40 : 1,816,615.20 = 651,204.80 : x
  2. Step 2: Convert to fraction form
    1,212,826.40/1,816,615.20 = 651,204.80/x
  3. Step 3: Cross multiply
    1,212,826.40x = 1,816,615.20 × 651,204.80
  4. Step 4: Simplify right side
    1,212,826.40x = 1,182,988,537,992.96
  5. Step 5: Solve for x
    x = 1,182,988,537,992.96/1,212,826.40
  6. Step 6: Final answer
    x = 975,398.08

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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.