Home / 1,186,527.96-1,637,395.56-642,650.22

Finding the Fourth Proportional to 1,186,527.96, 1,637,395.56 and 642,650.22

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Solution

The fourth proportional to 1,186,527.96, 1,637,395.56 and 642,650.22 is: 886,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,527.96 : 1,637,395.56 = 642,650.22 : x
  2. Step 2: Convert to fraction form
    1,186,527.96/1,637,395.56 = 642,650.22/x
  3. Step 3: Cross multiply
    1,186,527.96x = 1,637,395.56 × 642,650.22
  4. Step 4: Simplify right side
    1,186,527.96x = 1,052,272,616,861.02
  5. Step 5: Solve for x
    x = 1,052,272,616,861.02/1,186,527.96
  6. Step 6: Final answer
    x = 886,850.25

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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.