Home / 1,298,713.55-1,792,219.47-725,753.57

Finding the Fourth Proportional to 1,298,713.55, 1,792,219.47 and 725,753.57

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Solution

The fourth proportional to 1,298,713.55, 1,792,219.47 and 725,753.57 is: 1,001,537.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,713.55 : 1,792,219.47 = 725,753.57 : x
  2. Step 2: Convert to fraction form
    1,298,713.55/1,792,219.47 = 725,753.57/x
  3. Step 3: Cross multiply
    1,298,713.55x = 1,792,219.47 × 725,753.57
  4. Step 4: Simplify right side
    1,298,713.55x = 1,300,709,678,576.01
  5. Step 5: Solve for x
    x = 1,300,709,678,576.01/1,298,713.55
  6. Step 6: Final answer
    x = 1,001,537.00

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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.