Home / 1,431,810-2,147,727.96-434,538

Finding the Fourth Proportional to 1,431,810, 2,147,727.96 and 434,538

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Solution

The fourth proportional to 1,431,810, 2,147,727.96 and 434,538 is: 651,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,810 : 2,147,727.96 = 434,538 : x
  2. Step 2: Convert to fraction form
    1,431,810/2,147,727.96 = 434,538/x
  3. Step 3: Cross multiply
    1,431,810x = 2,147,727.96 × 434,538
  4. Step 4: Simplify right side
    1,431,810x = 933,269,412,282.48
  5. Step 5: Solve for x
    x = 933,269,412,282.48/1,431,810
  6. Step 6: Final answer
    x = 651,810.93

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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.