Home / 1,619,355.24-2,427,407.19-553,668.21

Finding the Fourth Proportional to 1,619,355.24, 2,427,407.19 and 553,668.21

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Solution

The fourth proportional to 1,619,355.24, 2,427,407.19 and 553,668.21 is: 829,946.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,355.24 : 2,427,407.19 = 553,668.21 : x
  2. Step 2: Convert to fraction form
    1,619,355.24/2,427,407.19 = 553,668.21/x
  3. Step 3: Cross multiply
    1,619,355.24x = 2,427,407.19 × 553,668.21
  4. Step 4: Simplify right side
    1,619,355.24x = 1,343,978,193,828.43
  5. Step 5: Solve for x
    x = 1,343,978,193,828.43/1,619,355.24
  6. Step 6: Final answer
    x = 829,946.49

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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.