Home / 1,247,744.81-1,721,893.01-674,784.98

Finding the Fourth Proportional to 1,247,744.81, 1,721,893.01 and 674,784.98

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Solution

The fourth proportional to 1,247,744.81, 1,721,893.01 and 674,784.98 is: 931,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,744.81 : 1,721,893.01 = 674,784.98 : x
  2. Step 2: Convert to fraction form
    1,247,744.81/1,721,893.01 = 674,784.98/x
  3. Step 3: Cross multiply
    1,247,744.81x = 1,721,893.01 × 674,784.98
  4. Step 4: Simplify right side
    1,247,744.81x = 1,161,907,528,331.60
  5. Step 5: Solve for x
    x = 1,161,907,528,331.60/1,247,744.81
  6. Step 6: Final answer
    x = 931,206.06

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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.