Home / 1,683,720.88-2,525,831.30-618,679.82

Finding the Fourth Proportional to 1,683,720.88, 2,525,831.30 and 618,679.82

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Solution

The fourth proportional to 1,683,720.88, 2,525,831.30 and 618,679.82 is: 928,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,720.88 : 2,525,831.30 = 618,679.82 : x
  2. Step 2: Convert to fraction form
    1,683,720.88/2,525,831.30 = 618,679.82/x
  3. Step 3: Cross multiply
    1,683,720.88x = 2,525,831.30 × 618,679.82
  4. Step 4: Simplify right side
    1,683,720.88x = 1,562,680,861,895.64
  5. Step 5: Solve for x
    x = 1,562,680,861,895.64/1,683,720.88
  6. Step 6: Final answer
    x = 928,111.59

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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.