Home / 1,236,977.84-1,852,316.40-814,974.32

Finding the Fourth Proportional to 1,236,977.84, 1,852,316.40 and 814,974.32

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Solution

The fourth proportional to 1,236,977.84, 1,852,316.40 and 814,974.32 is: 1,220,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,977.84 : 1,852,316.40 = 814,974.32 : x
  2. Step 2: Convert to fraction form
    1,236,977.84/1,852,316.40 = 814,974.32/x
  3. Step 3: Cross multiply
    1,236,977.84x = 1,852,316.40 × 814,974.32
  4. Step 4: Simplify right side
    1,236,977.84x = 1,509,590,298,514.85
  5. Step 5: Solve for x
    x = 1,509,590,298,514.85/1,236,977.84
  6. Step 6: Final answer
    x = 1,220,385.89

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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.