Home / 912,973.33-1,369,192.31-343,943.88

Finding the Fourth Proportional to 912,973.33, 1,369,192.31 and 343,943.88

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Solution

The fourth proportional to 912,973.33, 1,369,192.31 and 343,943.88 is: 515,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,973.33 : 1,369,192.31 = 343,943.88 : x
  2. Step 2: Convert to fraction form
    912,973.33/1,369,192.31 = 343,943.88/x
  3. Step 3: Cross multiply
    912,973.33x = 1,369,192.31 × 343,943.88
  4. Step 4: Simplify right side
    912,973.33x = 470,925,315,567.56
  5. Step 5: Solve for x
    x = 470,925,315,567.56/912,973.33
  6. Step 6: Final answer
    x = 515,814.98

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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.