Home / 1,457,769.51-2,186,405.15-392,562.45

Finding the Fourth Proportional to 1,457,769.51, 2,186,405.15 and 392,562.45

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Solution

The fourth proportional to 1,457,769.51, 2,186,405.15 and 392,562.45 is: 588,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,769.51 : 2,186,405.15 = 392,562.45 : x
  2. Step 2: Convert to fraction form
    1,457,769.51/2,186,405.15 = 392,562.45/x
  3. Step 3: Cross multiply
    1,457,769.51x = 2,186,405.15 × 392,562.45
  4. Step 4: Simplify right side
    1,457,769.51x = 858,300,560,413.81
  5. Step 5: Solve for x
    x = 858,300,560,413.81/1,457,769.51
  6. Step 6: Final answer
    x = 588,776.59

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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.