Home / 622,764.27-859,554.59-407,779.47

Finding the Fourth Proportional to 622,764.27, 859,554.59 and 407,779.47

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Solution

The fourth proportional to 622,764.27, 859,554.59 and 407,779.47 is: 562,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,764.27 : 859,554.59 = 407,779.47 : x
  2. Step 2: Convert to fraction form
    622,764.27/859,554.59 = 407,779.47/x
  3. Step 3: Cross multiply
    622,764.27x = 859,554.59 × 407,779.47
  4. Step 4: Simplify right side
    622,764.27x = 350,508,713,107.37
  5. Step 5: Solve for x
    x = 350,508,713,107.37/622,764.27
  6. Step 6: Final answer
    x = 562,827.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.