Home / 1,207,527.85-1,666,317.93-663,664.03

Finding the Fourth Proportional to 1,207,527.85, 1,666,317.93 and 663,664.03

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Solution

The fourth proportional to 1,207,527.85, 1,666,317.93 and 663,664.03 is: 915,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,527.85 : 1,666,317.93 = 663,664.03 : x
  2. Step 2: Convert to fraction form
    1,207,527.85/1,666,317.93 = 663,664.03/x
  3. Step 3: Cross multiply
    1,207,527.85x = 1,666,317.93 × 663,664.03
  4. Step 4: Simplify right side
    1,207,527.85x = 1,105,875,275,403.56
  5. Step 5: Solve for x
    x = 1,105,875,275,403.56/1,207,527.85
  6. Step 6: Final answer
    x = 915,817.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.