Home / 1,779,048.40-2,668,548.68-431,222.56

Finding the Fourth Proportional to 1,779,048.40, 2,668,548.68 and 431,222.56

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Solution

The fourth proportional to 1,779,048.40, 2,668,548.68 and 431,222.56 is: 646,828.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,048.40 : 2,668,548.68 = 431,222.56 : x
  2. Step 2: Convert to fraction form
    1,779,048.40/2,668,548.68 = 431,222.56/x
  3. Step 3: Cross multiply
    1,779,048.40x = 2,668,548.68 × 431,222.56
  4. Step 4: Simplify right side
    1,779,048.40x = 1,150,738,393,274.22
  5. Step 5: Solve for x
    x = 1,150,738,393,274.22/1,779,048.40
  6. Step 6: Final answer
    x = 646,828.04

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Double scale
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1.5x scale

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.