Home / 1,017,203.34-1,400,539.95-863,912.46

Finding the Fourth Proportional to 1,017,203.34, 1,400,539.95 and 863,912.46

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Solution

The fourth proportional to 1,017,203.34, 1,400,539.95 and 863,912.46 is: 1,189,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,203.34 : 1,400,539.95 = 863,912.46 : x
  2. Step 2: Convert to fraction form
    1,017,203.34/1,400,539.95 = 863,912.46/x
  3. Step 3: Cross multiply
    1,017,203.34x = 1,400,539.95 × 863,912.46
  4. Step 4: Simplify right side
    1,017,203.34x = 1,209,943,913,532.78
  5. Step 5: Solve for x
    x = 1,209,943,913,532.78/1,017,203.34
  6. Step 6: Final answer
    x = 1,189,480.87

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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.