Home / 914,504.10-1,370,378.58-814,842.78

Finding the Fourth Proportional to 914,504.10, 1,370,378.58 and 814,842.78

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Solution

The fourth proportional to 914,504.10, 1,370,378.58 and 814,842.78 is: 1,221,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,504.10 : 1,370,378.58 = 814,842.78 : x
  2. Step 2: Convert to fraction form
    914,504.10/1,370,378.58 = 814,842.78/x
  3. Step 3: Cross multiply
    914,504.10x = 1,370,378.58 × 814,842.78
  4. Step 4: Simplify right side
    914,504.10x = 1,116,643,091,779.65
  5. Step 5: Solve for x
    x = 1,116,643,091,779.65/914,504.10
  6. Step 6: Final answer
    x = 1,221,036.73

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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.