Home / 1,347,543.36-2,020,638.88-448,668.48

Finding the Fourth Proportional to 1,347,543.36, 2,020,638.88 and 448,668.48

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Solution

The fourth proportional to 1,347,543.36, 2,020,638.88 and 448,668.48 is: 672,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,543.36 : 2,020,638.88 = 448,668.48 : x
  2. Step 2: Convert to fraction form
    1,347,543.36/2,020,638.88 = 448,668.48/x
  3. Step 3: Cross multiply
    1,347,543.36x = 2,020,638.88 × 448,668.48
  4. Step 4: Simplify right side
    1,347,543.36x = 906,596,974,918.50
  5. Step 5: Solve for x
    x = 906,596,974,918.50/1,347,543.36
  6. Step 6: Final answer
    x = 672,777.59

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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.