Home / 1,306,048.54-1,959,228.61-631,645.23

Finding the Fourth Proportional to 1,306,048.54, 1,959,228.61 and 631,645.23

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Solution

The fourth proportional to 1,306,048.54, 1,959,228.61 and 631,645.23 is: 947,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,048.54 : 1,959,228.61 = 631,645.23 : x
  2. Step 2: Convert to fraction form
    1,306,048.54/1,959,228.61 = 631,645.23/x
  3. Step 3: Cross multiply
    1,306,048.54x = 1,959,228.61 × 631,645.23
  4. Step 4: Simplify right side
    1,306,048.54x = 1,237,537,405,986.03
  5. Step 5: Solve for x
    x = 1,237,537,405,986.03/1,306,048.54
  6. Step 6: Final answer
    x = 947,543.19

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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.